22424985 has 32 divisors (see below), whose sum is σ = 43493760. Its totient is φ = 10872000.

The previous prime is 22424981. The next prime is 22424993. The reversal of 22424985 is 58942422.

It is not a de Polignac number, because 22424985 - 2² = 22424981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22424981) 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 31 ways as a sum of consecutive naturals, for example, 6066 + ... + 9035.

It is an arithmetic number, because the mean of its divisors is an integer number (1359180).

Almost surely, 2^22424985 is an apocalyptic number.

It is an amenable number.

22424985 is a deficient number, since it is larger than the sum of its proper divisors (21068775).

22424985 is a wasteful number, since it uses less digits than its factorization.

22424985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15126 (or 15120 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 22424985 is about 4735.5026132397. The cubic root of 22424985 is about 281.9967179337.

It can be divided in two parts, 22424 and 985, that added together give a square (23409 = 153²).

The spelling of 22424985 in words is "twenty-two million, four hundred twenty-four thousand, nine hundred eighty-five".