22122910 has 16 divisors (see below), whose sum is σ = 39880512. Its totient is φ = 8836000.

The previous prime is 22122901. The next prime is 22122917. The reversal of 22122910 is 1922122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8235 + ... + 10585.

It is an arithmetic number, because the mean of its divisors is an integer number (2492532).

Almost surely, 2^22122910 is an apocalyptic number.

22122910 is a deficient number, since it is larger than the sum of its proper divisors (17757602).

22122910 is a wasteful number, since it uses less digits than its factorization.

22122910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 22122910 is about 4703.4997608164. The cubic root of 22122910 is about 280.7247804492.

It can be divided in two parts, 22122 and 910, that added together give a palindrome (23032).

The spelling of 22122910 in words is "twenty-two million, one hundred twenty-two thousand, nine hundred ten".