22485877 has 2 divisors, whose sum is σ = 22485878. Its totient is φ = 22485876.

The previous prime is 22485847. The next prime is 22485889. The reversal of 22485877 is 77858422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17859076 + 4626801 = 4226^2 + 2151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22485877 is a prime.

It is a super-2 number, since 2×22485877² = 1011229328918258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22485847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11242938 + 11242939.

It is an arithmetic number, because the mean of its divisors is an integer number (11242939).

Almost surely, 2^22485877 is an apocalyptic number.

It is an amenable number.

22485877 is a deficient number, since it is larger than the sum of its proper divisors (1).

22485877 is an equidigital number, since it uses as much as digits as its factorization.

22485877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 250880, while the sum is 43.

The square root of 22485877 is about 4741.9275616568. The cubic root of 22485877 is about 282.2517285153.

The spelling of 22485877 in words is "twenty-two million, four hundred eighty-five thousand, eight hundred seventy-seven".