22474344 has 32 divisors (see below), whose sum is σ = 56689920. Its totient is φ = 7424256.

The previous prime is 22474343. The next prime is 22474363. The reversal of 22474344 is 44347422.

It is a happy number.

It is a super-2 number, since 2×22474344² = 1010192276460672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22474343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432 + ... + 6855.

It is an arithmetic number, because the mean of its divisors is an integer number (1771560).

Almost surely, 2^22474344 is an apocalyptic number.

22474344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22474344 is an abundant number, since it is smaller than the sum of its proper divisors (34215576).

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

22474344 is a wasteful number, since it uses less digits than its factorization.

22474344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8409 (or 8405 counting only the distinct ones).

The product of its digits is 21504, while the sum is 30.

The square root of 22474344 is about 4740.7113390292. The cubic root of 22474344 is about 282.2034646521.

The spelling of 22474344 in words is "twenty-two million, four hundred seventy-four thousand, three hundred forty-four".