22902213 has 16 divisors (see below), whose sum is σ = 32538240. Its totient is φ = 14278656.

The previous prime is 22902203. The next prime is 22902263. The reversal of 22902213 is 31220922.

It is not a de Polignac number, because 22902213 - 2⁹ = 22901701 is a prime.

It is a super-2 number, since 2×22902213² = 1049022720594738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22902213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22902203) 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, 7173 + ... + 9861.

It is an arithmetic number, because the mean of its divisors is an integer number (2033640).

Almost surely, 2^22902213 is an apocalyptic number.

It is an amenable number.

22902213 is a deficient number, since it is larger than the sum of its proper divisors (9636027).

22902213 is a wasteful number, since it uses less digits than its factorization.

22902213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876.

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

The square root of 22902213 is about 4785.6256644247. The cubic root of 22902213 is about 283.9830917990.

It can be divided in two parts, 22902 and 213, that multiplied together give a triangular number (4878126 = T₃₁₂₃).

The spelling of 22902213 in words is "twenty-two million, nine hundred two thousand, two hundred thirteen".