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214222221240440 = 2357765079361573
BaseRepresentation
bin110000101101010101111111…
…011001100110100001111000
31001002111102222221000200010112
4300231111333121212201320
5211034304102114143230
62035340155125003452
763060021226241630
oct6055257731464170
91032442887020115
10214222221240440
1162292152145a56
1220039850553588
13926c0b816717a
143ac85a74656c0
1519b7629192d95
hexc2d57f666878

214222221240440 has 32 divisors (see below), whose sum is σ = 550857140333280. Its totient is φ = 73447618710912.

The previous prime is 214222221240439. The next prime is 214222221240449. The reversal of 214222221240440 is 44042122222412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 214222221240397 and 214222221240406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214222221240449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382539680507 + ... + 382539681066.

It is an arithmetic number, because the mean of its divisors is an integer number (17214285635415).

Almost surely, 2214222221240440 is an apocalyptic number.

214222221240440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214222221240440 is an abundant number, since it is smaller than the sum of its proper divisors (336634919092840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214222221240440 is a wasteful number, since it uses less digits than its factorization.

214222221240440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765079361591 (or 765079361587 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 214222221240440 its reverse (44042122222412), we get a palindrome (258264343462852).

The spelling of 214222221240440 in words is "two hundred fourteen trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred forty thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 765079361573 1530158723146 3060317446292 3825396807865 5355555531011 6120634892584 7650793615730 10711111062022 15301587231460 21422222124044 26777777655055 30603174462920 42844444248088 53555555310110 107111110620220 214222221240440