22653628 has 6 divisors (see below), whose sum is σ = 39643856. Its totient is φ = 11326812.

The previous prime is 22653623. The next prime is 22653637. The reversal of 22653628 is 82635622.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 22653593 and 22653602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22653623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2831700 + ... + 2831707.

Almost surely, 2^22653628 is an apocalyptic number.

It is an amenable number.

22653628 is a deficient number, since it is larger than the sum of its proper divisors (16990228).

22653628 is a wasteful number, since it uses less digits than its factorization.

22653628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663411 (or 5663409 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 22653628 is about 4759.5827548221. The cubic root of 22653628 is about 282.9518828406.

The spelling of 22653628 in words is "twenty-two million, six hundred fifty-three thousand, six hundred twenty-eight".