22885477 has 2 divisors, whose sum is σ = 22885478. Its totient is φ = 22885476.

The previous prime is 22885469. The next prime is 22885517. The reversal of 22885477 is 77458822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22410756 + 474721 = 4734^2 + 689^2 .

It is a cyclic number.

It is not a de Polignac number, because 22885477 - 2³ = 22885469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22855477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11442738 + 11442739.

It is an arithmetic number, because the mean of its divisors is an integer number (11442739).

Almost surely, 2^22885477 is an apocalyptic number.

It is an amenable number.

22885477 is a deficient number, since it is larger than the sum of its proper divisors (1).

22885477 is an equidigital number, since it uses as much as digits as its factorization.

22885477 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 22885477 is about 4783.8767751689. The cubic root of 22885477 is about 283.9139005350.

The spelling of 22885477 in words is "twenty-two million, eight hundred eighty-five thousand, four hundred seventy-seven".