22620244 has 12 divisors (see below), whose sum is σ = 39622464. Its totient is φ = 11299544.

The previous prime is 22620229. The next prime is 22620259. The reversal of 22620244 is 44202622.

It is an interprime number because it is at equal distance from previous prime (22620229) and next prime (22620259).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4047 + ... + 7849.

It is an arithmetic number, because the mean of its divisors is an integer number (3301872).

Almost surely, 2^22620244 is an apocalyptic number.

It is an amenable number.

22620244 is a deficient number, since it is larger than the sum of its proper divisors (17002220).

22620244 is a wasteful number, since it uses less digits than its factorization.

22620244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294 (or 5292 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 22620244 is about 4756.0744317136. The cubic root of 22620244 is about 282.8128218244.

Adding to 22620244 its reverse (44202622), we get a palindrome (66822866).

The spelling of 22620244 in words is "twenty-two million, six hundred twenty thousand, two hundred forty-four".