22155531105 has 16 divisors (see below), whose sum is σ = 35452165824. Its totient is φ = 11815177920.

The previous prime is 22155531067. The next prime is 22155531121. The reversal of 22155531105 is 50113555122.

It is not a de Polignac number, because 22155531105 - 2⁷ = 22155530977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111910 + ... + 238400.

It is an arithmetic number, because the mean of its divisors is an integer number (2215760364).

Almost surely, 2^22155531105 is an apocalyptic number.

It is an amenable number.

22155531105 is a deficient number, since it is larger than the sum of its proper divisors (13296634719).

22155531105 is a wasteful number, since it uses less digits than its factorization.

22155531105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138176.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 22155531105 in words is "twenty-two billion, one hundred fifty-five million, five hundred thirty-one thousand, one hundred five".