22454985 has 48 divisors (see below), whose sum is σ = 42287616. Its totient is φ = 10144512.

The previous prime is 22454963. The next prime is 22454989. The reversal of 22454985 is 58945422.

It is not a de Polignac number, because 22454985 - 2⁵ = 22454953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22454989) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100584 + ... + 100806.

It is an arithmetic number, because the mean of its divisors is an integer number (880992).

Almost surely, 2^22454985 is an apocalyptic number.

It is an amenable number.

22454985 is a deficient number, since it is larger than the sum of its proper divisors (19832631).

22454985 is a wasteful number, since it uses less digits than its factorization.

22454985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 375 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 22454985 is about 4738.6691169568. The cubic root of 22454985 is about 282.1224130279.

The spelling of 22454985 in words is "twenty-two million, four hundred fifty-four thousand, nine hundred eighty-five".