22890793 has 2 divisors, whose sum is σ = 22890794. Its totient is φ = 22890792.

The previous prime is 22890781. The next prime is 22890817. The reversal of 22890793 is 39709822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19386409 + 3504384 = 4403^2 + 1872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22890793 is a prime.

It is not a weakly prime, because it can be changed into another prime (22890713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11445396 + 11445397.

It is an arithmetic number, because the mean of its divisors is an integer number (11445397).

Almost surely, 2^22890793 is an apocalyptic number.

It is an amenable number.

22890793 is a deficient number, since it is larger than the sum of its proper divisors (1).

22890793 is an equidigital number, since it uses as much as digits as its factorization.

22890793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 22890793 is about 4784.4323592251. The cubic root of 22890793 is about 283.9358820075.

The spelling of 22890793 in words is "twenty-two million, eight hundred ninety thousand, seven hundred ninety-three".