22498877 has 2 divisors, whose sum is σ = 22498878. Its totient is φ = 22498876.

The previous prime is 22498811. The next prime is 22498897. The reversal of 22498877 is 77889422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20124196 + 2374681 = 4486^2 + 1541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22498877 is a prime.

It is a super-2 number, since 2×22498877² = 1012398932522258, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22498897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11249438 + 11249439.

It is an arithmetic number, because the mean of its divisors is an integer number (11249439).

Almost surely, 2^22498877 is an apocalyptic number.

It is an amenable number.

22498877 is a deficient number, since it is larger than the sum of its proper divisors (1).

22498877 is an equidigital number, since it uses as much as digits as its factorization.

22498877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 47.

The square root of 22498877 is about 4743.2981141817. The cubic root of 22498877 is about 282.3061117708.

The spelling of 22498877 in words is "twenty-two million, four hundred ninety-eight thousand, eight hundred seventy-seven".