22627457 has 2 divisors, whose sum is σ = 22627458. Its totient is φ = 22627456.

The previous prime is 22627447. The next prime is 22627471. The reversal of 22627457 is 75472622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22619536 + 7921 = 4756^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 22627457 - 2¹² = 22623361 is a prime.

It is not a weakly prime, because it can be changed into another prime (22627447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11313728 + 11313729.

It is an arithmetic number, because the mean of its divisors is an integer number (11313729).

Almost surely, 2^22627457 is an apocalyptic number.

It is an amenable number.

22627457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22627457 is an equidigital number, since it uses as much as digits as its factorization.

22627457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 35.

The square root of 22627457 is about 4756.8326647045. The cubic root of 22627457 is about 282.8428791496.

The spelling of 22627457 in words is "twenty-two million, six hundred twenty-seven thousand, four hundred fifty-seven".