13222902 has 32 divisors (see below), whose sum is σ = 32972544. Its totient is φ = 3434400.

The previous prime is 13222901. The next prime is 13222939. The reversal of 13222902 is 20922231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13849 + ... + 14772.

It is an arithmetic number, because the mean of its divisors is an integer number (1030392).

Almost surely, 2^13222902 is an apocalyptic number.

13222902 is an abundant number, since it is smaller than the sum of its proper divisors (19749642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13222902 is a wasteful number, since it uses less digits than its factorization.

13222902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28644.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13222902 is about 3636.3308430340. The cubic root of 13222902 is about 236.4697504619.

It can be divided in two parts, 1322 and 2902, that added together give a palindrome (4224).

The spelling of 13222902 in words is "thirteen million, two hundred twenty-two thousand, nine hundred two".