22656001 has 2 divisors, whose sum is σ = 22656002. Its totient is φ = 22656000.

The previous prime is 22655981. The next prime is 22656031. The reversal of 22656001 is 10065622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19847025 + 2808976 = 4455^2 + 1676^2 .

It is a cyclic number.

It is not a de Polignac number, because 22656001 - 2⁹ = 22655489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22656031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11328000 + 11328001.

It is an arithmetic number, because the mean of its divisors is an integer number (11328001).

Almost surely, 2^22656001 is an apocalyptic number.

It is an amenable number.

22656001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22656001 is an equidigital number, since it uses as much as digits as its factorization.

22656001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 22656001 is about 4759.8320348517. The cubic root of 22656001 is about 282.9617623674.

The spelling of 22656001 in words is "twenty-two million, six hundred fifty-six thousand, one".