222211221010 has 16 divisors (see below), whose sum is σ = 404103706776. Its totient is φ = 87968153088.

The previous prime is 222211221007. The next prime is 222211221031. The reversal of 222211221010 is 10122112222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 147573527409 + 74637693601 = 384153^2 + 273199^2 .

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, 114540897 + ... + 114542836.

Almost surely, 2^222211221010 is an apocalyptic number.

222211221010 is a deficient number, since it is larger than the sum of its proper divisors (181892485766).

222211221010 is a wasteful number, since it uses less digits than its factorization.

222211221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229083837.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222211221010 its reverse (10122112222), we get a palindrome (232333333232).

The spelling of 222211221010 in words is "two hundred twenty-two billion, two hundred eleven million, two hundred twenty-one thousand, ten".