22474296 has 72 divisors (see below), whose sum is σ = 65945880. Its totient is φ = 6911424.

The previous prime is 22474267. The next prime is 22474297. The reversal of 22474296 is 69247422.

22474296 is a `hidden beast` number, since 224 + 7 + 429 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a self number, because there is not a number n which added to its sum of digits gives 22474296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22474297) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11245 + ... + 13091.

It is an arithmetic number, because the mean of its divisors is an integer number (915915).

Almost surely, 2^22474296 is an apocalyptic number.

22474296 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22474296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32972940).

22474296 is an abundant number, since it is smaller than the sum of its proper divisors (43471584).

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

22474296 is a wasteful number, since it uses less digits than its factorization.

22474296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1865 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 22474296 is about 4740.7062764951. The cubic root of 22474296 is about 282.2032637449.

The spelling of 22474296 in words is "twenty-two million, four hundred seventy-four thousand, two hundred ninety-six".