22213311231 has 16 divisors (see below), whose sum is σ = 30422905184. Its totient is φ = 14406418944.

The previous prime is 22213311199. The next prime is 22213311283. The reversal of 22213311231 is 13211331222.

It is not a de Polignac number, because 22213311231 - 2⁵ = 22213311199 is a prime.

It is a super-2 number, since 2×22213311231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22213311198 and 22213311207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213315231) 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, 1025691 + ... + 1047123.

It is an arithmetic number, because the mean of its divisors is an integer number (1901431574).

Almost surely, 2^22213311231 is an apocalyptic number.

22213311231 is a deficient number, since it is larger than the sum of its proper divisors (8209593953).

22213311231 is a wasteful number, since it uses less digits than its factorization.

22213311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30810.

The product of its digits is 432, while the sum is 21.

Adding to 22213311231 its reverse (13211331222), we get a palindrome (35424642453).

The spelling of 22213311231 in words is "twenty-two billion, two hundred thirteen million, three hundred eleven thousand, two hundred thirty-one".