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22221104140 = 2256011184837
BaseRepresentation
bin10100101100011110…
…110010010000001100
32010100121221001100001
4110230132302100030
5331002100313030
614112551214044
71414442161114
oct245436622014
963317831301
1022221104140
119473263484
124381977324
1321318b8141
14110b298044
158a0c55cca
hex52c7b240c

22221104140 has 24 divisors (see below), whose sum is σ = 46672334352. Its totient is φ = 8886914880.

The previous prime is 22221104137. The next prime is 22221104167. The reversal of 22221104140 is 4140112222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27802 + ... + 212638.

It is an arithmetic number, because the mean of its divisors is an integer number (1944680598).

Almost surely, 222221104140 is an apocalyptic number.

22221104140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221104140 is an abundant number, since it is smaller than the sum of its proper divisors (24451230212).

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

22221104140 is a wasteful number, since it uses less digits than its factorization.

22221104140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190857 (or 190855 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22221104140 its reverse (4140112222), we get a palindrome (26361216362).

The spelling of 22221104140 in words is "twenty-two billion, two hundred twenty-one million, one hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 6011 12022 24044 30055 60110 120220 184837 369674 739348 924185 1848370 3696740 1111055207 2222110414 4444220828 5555276035 11110552070 22221104140