222212012031 has 48 divisors (see below), whose sum is σ = 330575236992. Its totient is φ = 143794872000.

The previous prime is 222212012023. The next prime is 222212012039. The reversal of 222212012031 is 130210212222.

It is an interprime number because it is at equal distance from previous prime (222212012023) and next prime (222212012039).

It is not a de Polignac number, because 222212012031 - 2³ = 222212012023 is a prime.

It is a super-2 number, since 2×222212012031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222212011995 and 222212012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222212012039) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9872316 + ... + 9894798.

It is an arithmetic number, because the mean of its divisors is an integer number (6886984104).

Almost surely, 2^222212012031 is an apocalyptic number.

222212012031 is a deficient number, since it is larger than the sum of its proper divisors (108363224961).

222212012031 is a wasteful number, since it uses less digits than its factorization.

222212012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22804 (or 22801 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222212012031 its reverse (130210212222), we get a palindrome (352422224253).

The spelling of 222212012031 in words is "two hundred twenty-two billion, two hundred twelve million, twelve thousand, thirty-one".