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22141222140 = 22351098733587
BaseRepresentation
bin10100100111101110…
…000011110011111100
32010011001121121211110
4110213232003303330
5330321123102030
614101015122020
71412452166022
oct244756036374
963131547743
1022141222140
1194321629a4
12435b073310
13211b19969b
141100822712
15898c271b0
hex527b83cfc

22141222140 has 48 divisors (see below), whose sum is σ = 62002910592. Its totient is φ = 5903612736.

The previous prime is 22141222111. The next prime is 22141222141. The reversal of 22141222140 is 4122214122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22141222141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642427 + ... + 676013.

It is an arithmetic number, because the mean of its divisors is an integer number (1291727304).

Almost surely, 222141222140 is an apocalyptic number.

22141222140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22141222140 is an abundant number, since it is smaller than the sum of its proper divisors (39861688452).

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

22141222140 is a wasteful number, since it uses less digits than its factorization.

22141222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44586 (or 44584 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22141222140 its reverse (4122214122), we get a palindrome (26263436262).

The spelling of 22141222140 in words is "twenty-two billion, one hundred forty-one million, two hundred twenty-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 10987 21974 32961 33587 43948 54935 65922 67174 100761 109870 131844 134348 164805 167935 201522 219740 329610 335870 403044 503805 659220 671740 1007610 2015220 369020369 738040738 1107061107 1476081476 1845101845 2214122214 3690203690 4428244428 5535305535 7380407380 11070611070 22141222140