22475824 has 40 divisors (see below), whose sum is σ = 50468000. Its totient is φ = 9497088.

The previous prime is 22475797. The next prime is 22475839. The reversal of 22475824 is 42857422.

It is a self number, because there is not a number n which added to its sum of digits gives 22475824.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6802 + ... + 9550.

It is an arithmetic number, because the mean of its divisors is an integer number (1261700).

Almost surely, 2^22475824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22475824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25234000).

22475824 is an abundant number, since it is smaller than the sum of its proper divisors (27992176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22475824 is a wasteful number, since it uses less digits than its factorization.

22475824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837 (or 2831 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 22475824 is about 4740.8674311775. The cubic root of 22475824 is about 282.2096591519.

The spelling of 22475824 in words is "twenty-two million, four hundred seventy-five thousand, eight hundred twenty-four".