22783432 has 96 divisors (see below), whose sum is σ = 54864000. Its totient is φ = 8848224.

The previous prime is 22783393. The next prime is 22783447. The reversal of 22783432 is 23438722.

It is a junction number, because it is equal to n+sod(n) for n = 22783394 and 22783403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 990573 + ... + 990595.

It is an arithmetic number, because the mean of its divisors is an integer number (571500).

Almost surely, 2^22783432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22783432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27432000).

22783432 is an abundant number, since it is smaller than the sum of its proper divisors (32080568).

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

22783432 is a wasteful number, since it uses less digits than its factorization.

22783432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 51 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 22783432 is about 4773.1993463504. The cubic root of 22783432 is about 283.4912866295.

The spelling of 22783432 in words is "twenty-two million, seven hundred eighty-three thousand, four hundred thirty-two".