22626213 has 12 divisors (see below), whose sum is σ = 30893760. Its totient is φ = 14729736.

The previous prime is 22626179. The next prime is 22626217. The reversal of 22626213 is 31262622.

It is not a de Polignac number, because 22626213 - 2⁸ = 22625957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22626217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3508 + ... + 7586.

It is an arithmetic number, because the mean of its divisors is an integer number (2574480).

Almost surely, 2^22626213 is an apocalyptic number.

It is an amenable number.

22626213 is a deficient number, since it is larger than the sum of its proper divisors (8267547).

22626213 is an equidigital number, since it uses as much as digits as its factorization.

22626213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168 (or 4125 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 22626213 is about 4756.7019036303. The cubic root of 22626213 is about 282.8376957274.

Adding to 22626213 its reverse (31262622), we get a palindrome (53888835).

The spelling of 22626213 in words is "twenty-two million, six hundred twenty-six thousand, two hundred thirteen".