22172216905539 has 24 divisors (see below), whose sum is σ = 33985973876400. Its totient is φ = 13880994828288.

The previous prime is 22172216905537. The next prime is 22172216905549. The reversal of 22172216905539 is 93550961227122.

22172216905539 is a `hidden beast` number, since 2 + 2 + 1 + 7 + 2 + 2 + 16 + 90 + 5 + 539 = 666.

It is not a de Polignac number, because 22172216905539 - 2¹ = 22172216905537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22172216905537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161308197 + ... + 161445590.

It is an arithmetic number, because the mean of its divisors is an integer number (1416082244850).

Almost surely, 2^{22172216905539} is an apocalyptic number.

22172216905539 is a deficient number, since it is larger than the sum of its proper divisors (11813756970861).

22172216905539 is a wasteful number, since it uses less digits than its factorization.

22172216905539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322754259 (or 322754256 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 22172216905539 in words is "twenty-two trillion, one hundred seventy-two billion, two hundred sixteen million, nine hundred five thousand, five hundred thirty-nine".