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222220342420000 = 255443892903323
BaseRepresentation
bin110010100001101110110100…
…100100100110001000100000
31002010211001112202002002212121
4302201232310210212020200
5213111324230124420000
62104342341015234024
764543614146452441
oct6241566444461040
91063731482062777
10222220342420000
1164896133029621
1220b0b95b078914
1396cc399731a52
143cc37443912c8
151aa56db1d0b1a
hexca1bb4926220

222220342420000 has 240 divisors, whose sum is σ = 565694913057120. Its totient is φ = 85845424896000.

The previous prime is 222220342419983. The next prime is 222220342420031. The reversal of 222220342420000 is 24243022222.

It is a super-4 number, since 4×2222203424200004 (a number of 58 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 75088339 + ... + 77991661.

It is an arithmetic number, because the mean of its divisors is an integer number (2357062137738).

Almost surely, 2222220342420000 is an apocalyptic number.

222220342420000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222220342420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282847456528560).

222220342420000 is an abundant number, since it is smaller than the sum of its proper divisors (343474570637120).

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

222220342420000 is an equidigital number, since it uses as much as digits as its factorization.

222220342420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903485 (or 2903462 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 222220342420000 its reverse (24243022222), we get a palindrome (222244585442222).

The spelling of 222220342420000 in words is "two hundred twenty-two trillion, two hundred twenty billion, three hundred forty-two million, four hundred twenty thousand".