22204242231 has 16 divisors (see below), whose sum is σ = 30327963648. Its totient is φ = 14445496800.

The previous prime is 22204242227. The next prime is 22204242271. The reversal of 22204242231 is 13224240222.

It is not a de Polignac number, because 22204242231 - 2² = 22204242227 is a prime.

It is a super-2 number, since 2×22204242231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204242211) 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, 454455 + ... + 500936.

It is an arithmetic number, because the mean of its divisors is an integer number (1895497728).

Almost surely, 2^22204242231 is an apocalyptic number.

22204242231 is a deficient number, since it is larger than the sum of its proper divisors (8123721417).

22204242231 is a wasteful number, since it uses less digits than its factorization.

22204242231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955582.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22204242231 its reverse (13224240222), we get a palindrome (35428482453).

The spelling of 22204242231 in words is "twenty-two billion, two hundred four million, two hundred forty-two thousand, two hundred thirty-one".