22485447 has 24 divisors (see below), whose sum is σ = 33965568. Its totient is φ = 14317200.

The previous prime is 22485433. The next prime is 22485451. The reversal of 22485447 is 74458422.

It is not a de Polignac number, because 22485447 - 2⁷ = 22485319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22485427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22672 + ... + 23642.

It is an arithmetic number, because the mean of its divisors is an integer number (1415232).

Almost surely, 2^22485447 is an apocalyptic number.

22485447 is a deficient number, since it is larger than the sum of its proper divisors (11480121).

22485447 is a wasteful number, since it uses less digits than its factorization.

22485447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1088 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 22485447 is about 4741.8822212282. The cubic root of 22485447 is about 282.2499293265.

The spelling of 22485447 in words is "twenty-two million, four hundred eighty-five thousand, four hundred forty-seven".