22212232031 has 16 divisors (see below), whose sum is σ = 24709639680. Its totient is φ = 19796383680.

The previous prime is 22212231997. The next prime is 22212232039. The reversal of 22212232031 is 13023221222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22212232031 - 2⁶ = 22212231967 is a prime.

It is a super-2 number, since 2×22212232031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22212231994 and 22212232012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212232039) 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, 191555 + ... + 284811.

It is an arithmetic number, because the mean of its divisors is an integer number (1544352480).

Almost surely, 2^22212232031 is an apocalyptic number.

22212232031 is a deficient number, since it is larger than the sum of its proper divisors (2497407649).

22212232031 is a wasteful number, since it uses less digits than its factorization.

22212232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93694.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22212232031 its reverse (13023221222), we get a palindrome (35235453253).

The spelling of 22212232031 in words is "twenty-two billion, two hundred twelve million, two hundred thirty-two thousand, thirty-one".