222221200221010 has 16 divisors (see below), whose sum is σ = 399998868442200. Its totient is φ = 88888322745216.

The previous prime is 222221200220977. The next prime is 222221200221071. The reversal of 222221200221010 is 10122002122222.

It can be written as a sum of positive squares in 4 ways, for example, as 155942176757761 + 66279023463249 = 12487681^2 + 8141193^2 .

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, 13648365 + ... + 25114144.

Almost surely, 2^{222221200221010} is an apocalyptic number.

222221200221010 is a deficient number, since it is larger than the sum of its proper divisors (177777668221190).

222221200221010 is a wasteful number, since it uses less digits than its factorization.

222221200221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39335805.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222221200221010 its reverse (10122002122222), we get a palindrome (232343202343232).

The spelling of 222221200221010 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred million, two hundred twenty-one thousand, ten".