22974481 has 2 divisors, whose sum is σ = 22974482. Its totient is φ = 22974480.

The previous prime is 22974451. The next prime is 22974517. The reversal of 22974481 is 18447922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15872256 + 7102225 = 3984^2 + 2665^2 .

It is a cyclic number.

It is not a de Polignac number, because 22974481 - 2⁵ = 22974449 is a prime.

It is a super-2 number, since 2×22974481² = 1055653554438722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22974481.

It is not a weakly prime, because it can be changed into another prime (22974421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11487240 + 11487241.

It is an arithmetic number, because the mean of its divisors is an integer number (11487241).

Almost surely, 2^22974481 is an apocalyptic number.

It is an amenable number.

22974481 is a deficient number, since it is larger than the sum of its proper divisors (1).

22974481 is an equidigital number, since it uses as much as digits as its factorization.

22974481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 37.

The square root of 22974481 is about 4793.1702452552. The cubic root of 22974481 is about 284.2814813209.

The spelling of 22974481 in words is "twenty-two million, nine hundred seventy-four thousand, four hundred eighty-one".