22885631 has 2 divisors, whose sum is σ = 22885632. Its totient is φ = 22885630.

The previous prime is 22885579. The next prime is 22885661. The reversal of 22885631 is 13658822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22885631 is a prime.

It is a super-2 number, since 2×22885631² = 1047504212536322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22885591 and 22885600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22885661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11442815 + 11442816.

It is an arithmetic number, because the mean of its divisors is an integer number (11442816).

Almost surely, 2^22885631 is an apocalyptic number.

22885631 is a deficient number, since it is larger than the sum of its proper divisors (1).

22885631 is an equidigital number, since it uses as much as digits as its factorization.

22885631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 22885631 is about 4783.8928708741. The cubic root of 22885631 is about 283.9145373675.

The spelling of 22885631 in words is "twenty-two million, eight hundred eighty-five thousand, six hundred thirty-one".