222202012210 has 16 divisors (see below), whose sum is σ = 399975998616. Its totient is φ = 88878054528.

The previous prime is 222202012199. The next prime is 222202012261. The reversal of 222202012210 is 12210202222.

It can be written as a sum of positive squares in 4 ways, for example, as 221672414041 + 529598169 = 470821^2 + 23013^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13174 + ... + 666766.

Almost surely, 2^222202012210 is an apocalyptic number.

222202012210 is a deficient number, since it is larger than the sum of its proper divisors (177773986406).

222202012210 is a wasteful number, since it uses less digits than its factorization.

222202012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687597.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222202012210 its reverse (12210202222), we get a palindrome (234412214432).

It can be divided in two parts, 222202012 and 210, that added together give a palindrome (222202222).

The spelling of 222202012210 in words is "two hundred twenty-two billion, two hundred two million, twelve thousand, two hundred ten".