22160655531 has 24 divisors (see below), whose sum is σ = 36944884704. Its totient is φ = 12537849600.

The previous prime is 22160655521. The next prime is 22160655553. The reversal of 22160655531 is 13555606122.

22160655531 is a `hidden beast` number, since 2 + 2 + 1 + 60 + 65 + 5 + 531 = 666.

It is not a de Polignac number, because 22160655531 - 2¹⁰ = 22160654507 is a prime.

It is a super-2 number, since 2×22160655531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22160655521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1735006 + ... + 1747731.

It is an arithmetic number, because the mean of its divisors is an integer number (1539370196).

Almost surely, 2^22160655531 is an apocalyptic number.

22160655531 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22160655531 is a deficient number, since it is larger than the sum of its proper divisors (14784229173).

22160655531 is a wasteful number, since it uses less digits than its factorization.

22160655531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482851 (or 3482848 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 22160655531 in words is "twenty-two billion, one hundred sixty million, six hundred fifty-five thousand, five hundred thirty-one".