22990841 has 2 divisors, whose sum is σ = 22990842. Its totient is φ = 22990840.

The previous prime is 22990837. The next prime is 22990859. The reversal of 22990841 is 14809922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15178816 + 7812025 = 3896^2 + 2795^2 .

It is a cyclic number.

It is not a de Polignac number, because 22990841 - 2² = 22990837 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22990811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11495420 + 11495421.

It is an arithmetic number, because the mean of its divisors is an integer number (11495421).

Almost surely, 2^22990841 is an apocalyptic number.

It is an amenable number.

22990841 is a deficient number, since it is larger than the sum of its proper divisors (1).

22990841 is an equidigital number, since it uses as much as digits as its factorization.

22990841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 22990841 is about 4794.8765364710. The cubic root of 22990841 is about 284.3489437302.

The spelling of 22990841 in words is "twenty-two million, nine hundred ninety thousand, eight hundred forty-one".