22474944 has 42 divisors (see below), whose sum is σ = 64422020. Its totient is φ = 7491456.

The previous prime is 22474943. The next prime is 22474973. The reversal of 22474944 is 44947422.

It is a super-3 number, since 3×22474944³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22474899 and 22474908.

It is not an unprimeable number, because it can be changed into a prime (22474943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18934 + ... + 20085.

Almost surely, 2^22474944 is an apocalyptic number.

22474944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22474944 is an abundant number, since it is smaller than the sum of its proper divisors (41947076).

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

22474944 is a wasteful number, since it uses less digits than its factorization.

22474944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39037 (or 39024 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 22474944 is about 4740.7746202493. The cubic root of 22474944 is about 282.2059759686.

The spelling of 22474944 in words is "twenty-two million, four hundred seventy-four thousand, nine hundred forty-four".