22284472 has 32 divisors (see below), whose sum is σ = 47923200. Its totient is φ = 9516384.

The previous prime is 22284469. The next prime is 22284497. The reversal of 22284472 is 27448222.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 20929 + ... + 21967.

It is an arithmetic number, because the mean of its divisors is an integer number (1497600).

Almost surely, 2^22284472 is an apocalyptic number.

It is an amenable number.

22284472 is an abundant number, since it is smaller than the sum of its proper divisors (25638728).

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

22284472 is a wasteful number, since it uses less digits than its factorization.

22284472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435 (or 1431 counting only the distinct ones).

The product of its digits is 14336, while the sum is 31.

The square root of 22284472 is about 4720.6431765174. The cubic root of 22284472 is about 281.4064945031.

The spelling of 22284472 in words is "twenty-two million, two hundred eighty-four thousand, four hundred seventy-two".