22222200010 has 16 divisors (see below), whose sum is σ = 40017088872. Its totient is φ = 8885073600.

The previous prime is 22222199999. The next prime is 22222200023. The reversal of 22222200010 is 1000222222.

It can be written as a sum of positive squares in 4 ways, for example, as 20116032561 + 2106167449 = 141831^2 + 45893^2 .

It is a super-5 number, since 5×22222200010⁵ (a number of 53 digits) contains 55555 as substring.

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, 451221 + ... + 498040.

Almost surely, 2^22222200010 is an apocalyptic number.

22222200010 is a deficient number, since it is larger than the sum of its proper divisors (17794888862).

22222200010 is a wasteful number, since it uses less digits than its factorization.

22222200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951609.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22222200010 its reverse (1000222222), we get a palindrome (23222422232).

The spelling of 22222200010 in words is "twenty-two billion, two hundred twenty-two million, two hundred thousand, ten".