22784032 has 24 divisors (see below), whose sum is σ = 45005436. Its totient is φ = 11354112.

The previous prime is 22783993. The next prime is 22784033. The reversal of 22784032 is 23048722.

It can be written as a sum of positive squares in 2 ways, for example, as 22316176 + 467856 = 4724^2 + 684^2 .

It is a super-2 number, since 2×22784032² = 1038224228354048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22784033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10288 + ... + 12304.

Almost surely, 2^22784032 is an apocalyptic number.

It is an amenable number.

22784032 is a deficient number, since it is larger than the sum of its proper divisors (22221404).

22784032 is a wasteful number, since it uses less digits than its factorization.

22784032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 22784032 is about 4773.2621968629. The cubic root of 22784032 is about 283.4937751817.

The spelling of 22784032 in words is "twenty-two million, seven hundred eighty-four thousand, thirty-two".