22628651 has 2 divisors, whose sum is σ = 22628652. Its totient is φ = 22628650.

The previous prime is 22628633. The next prime is 22628657. The reversal of 22628651 is 15682622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22628651 - 2⁶ = 22628587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22628657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11314325 + 11314326.

It is an arithmetic number, because the mean of its divisors is an integer number (11314326).

Almost surely, 2^22628651 is an apocalyptic number.

22628651 is a deficient number, since it is larger than the sum of its proper divisors (1).

22628651 is an equidigital number, since it uses as much as digits as its factorization.

22628651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 22628651 is about 4756.9581667280. The cubic root of 22628651 is about 282.8478540563.

The spelling of 22628651 in words is "twenty-two million, six hundred twenty-eight thousand, six hundred fifty-one".