22222010 has 16 divisors (see below), whose sum is σ = 40061736. Its totient is φ = 8875008.

The previous prime is 22221977. The next prime is 22222049. The reversal of 22222010 is 1022222.

It can be written as a sum of positive squares in 4 ways, for example, as 21687649 + 534361 = 4657^2 + 731^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22221982 and 22222000.

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, 7274 + ... + 9866.

Almost surely, 2^22222010 is an apocalyptic number.

22222010 is a deficient number, since it is larger than the sum of its proper divisors (17839726).

22222010 is a wasteful number, since it uses less digits than its factorization.

22222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 22222010 is about 4714.0226982907. The cubic root of 22222010 is about 281.1433267886.

Adding to 22222010 its reverse (1022222), we get a palindrome (23244232).

The spelling of 22222010 in words is "twenty-two million, two hundred twenty-two thousand, ten".