22998641 has 2 divisors, whose sum is σ = 22998642. Its totient is φ = 22998640.

The previous prime is 22998631. The next prime is 22998691. The reversal of 22998641 is 14689922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21298225 + 1700416 = 4615^2 + 1304^2 .

It is a cyclic number.

It is not a de Polignac number, because 22998641 - 2¹⁴ = 22982257 is a prime.

It is not a weakly prime, because it can be changed into another prime (22998611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11499320 + 11499321.

It is an arithmetic number, because the mean of its divisors is an integer number (11499321).

Almost surely, 2^22998641 is an apocalyptic number.

It is an amenable number.

22998641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22998641 is an equidigital number, since it uses as much as digits as its factorization.

22998641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 22998641 is about 4795.6898356754. The cubic root of 22998641 is about 284.3810966933.

The spelling of 22998641 in words is "twenty-two million, nine hundred ninety-eight thousand, six hundred forty-one".