22651622 has 24 divisors (see below), whose sum is σ = 40599504. Its totient is φ = 9443952.

The previous prime is 22651609. The next prime is 22651663. The reversal of 22651622 is 22615622.

It is a junction number, because it is equal to n+sod(n) for n = 22651591 and 22651600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (1691646).

Almost surely, 2^22651622 is an apocalyptic number.

22651622 is a deficient number, since it is larger than the sum of its proper divisors (17947882).

22651622 is a wasteful number, since it uses less digits than its factorization.

22651622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300 (or 6293 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 22651622 is about 4759.3720173989. The cubic root of 22651622 is about 282.9435307092.

The spelling of 22651622 in words is "twenty-two million, six hundred fifty-one thousand, six hundred twenty-two".