222213212031 has 16 divisors (see below), whose sum is σ = 304209392256. Its totient is φ = 144203104416.

The previous prime is 222213212029. The next prime is 222213212087. The reversal of 222213212031 is 130212312222.

It is not a de Polignac number, because 222213212031 - 2¹ = 222213212029 is a prime.

It is a super-2 number, since 2×222213212031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222213211989 and 222213212007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222213212131) 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, 2901765 + ... + 2977358.

It is an arithmetic number, because the mean of its divisors is an integer number (19013087016).

Almost surely, 2^222213212031 is an apocalyptic number.

222213212031 is a deficient number, since it is larger than the sum of its proper divisors (81996180225).

222213212031 is a wasteful number, since it uses less digits than its factorization.

222213212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5879462.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 222213212031 its reverse (130212312222), we get a palindrome (352425524253).

The spelling of 222213212031 in words is "two hundred twenty-two billion, two hundred thirteen million, two hundred twelve thousand, thirty-one".