22245245068531 has 16 divisors (see below), whose sum is σ = 24181613406720. Its totient is φ = 20407234492480.

The previous prime is 22245245068523. The next prime is 22245245068549. The reversal of 22245245068531 is 13586054254222.

It is a cyclic number.

It is not a de Polignac number, because 22245245068531 - 2³ = 22245245068523 is a prime.

It is a super-2 number, since 2×22245245068531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22245245068511) 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, 199858495 + ... + 199969768.

It is an arithmetic number, because the mean of its divisors is an integer number (1511350837920).

Almost surely, 2^{22245245068531} is an apocalyptic number.

22245245068531 is a deficient number, since it is larger than the sum of its proper divisors (1936368338189).

22245245068531 is a wasteful number, since it uses less digits than its factorization.

22245245068531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399828386.

The product of its (nonzero) digits is 4608000, while the sum is 49.

The spelling of 22245245068531 in words is "twenty-two trillion, two hundred forty-five billion, two hundred forty-five million, sixty-eight thousand, five hundred thirty-one".