22450887 has 6 divisors (see below), whose sum is σ = 32429072. Its totient is φ = 14967252.

The previous prime is 22450871. The next prime is 22450889. The reversal of 22450887 is 78805422.

It is a happy number.

It is not a de Polignac number, because 22450887 - 2⁴ = 22450871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22450889) 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 in 5 ways as a sum of consecutive naturals, for example, 1247263 + ... + 1247280.

Almost surely, 2^22450887 is an apocalyptic number.

22450887 is a deficient number, since it is larger than the sum of its proper divisors (9978185).

22450887 is a wasteful number, since it uses less digits than its factorization.

22450887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494549 (or 2494546 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 22450887 is about 4738.2366973379. The cubic root of 22450887 is about 282.1052496826.

The spelling of 22450887 in words is "twenty-two million, four hundred fifty thousand, eight hundred eighty-seven".