22650428 has 24 divisors (see below), whose sum is σ = 40744704. Its totient is φ = 11012400.

The previous prime is 22650427. The next prime is 22650437. The reversal of 22650428 is 82405622.

It is a self number, because there is not a number n which added to its sum of digits gives 22650428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22650427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39383 + ... + 39953.

It is an arithmetic number, because the mean of its divisors is an integer number (1697696).

Almost surely, 2^22650428 is an apocalyptic number.

It is an amenable number.

22650428 is a deficient number, since it is larger than the sum of its proper divisors (18094276).

22650428 is a wasteful number, since it uses less digits than its factorization.

22650428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 22650428 is about 4759.2465790291. The cubic root of 22650428 is about 282.9385591666.

The spelling of 22650428 in words is "twenty-two million, six hundred fifty thousand, four hundred twenty-eight".