22842732 has 48 divisors (see below), whose sum is σ = 58633344. Its totient is φ = 6864000.

The previous prime is 22842707. The next prime is 22842733. The reversal of 22842732 is 23724822.

It is a self number, because there is not a number n which added to its sum of digits gives 22842732.

It is not an unprimeable number, because it can be changed into a prime (22842733) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16632 + ... + 17952.

It is an arithmetic number, because the mean of its divisors is an integer number (1221528).

Almost surely, 2^22842732 is an apocalyptic number.

22842732 is a gapful number since it is divisible by the number (22) 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 22842732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29316672).

22842732 is an abundant number, since it is smaller than the sum of its proper divisors (35790612).

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

22842732 is a wasteful number, since it uses less digits than its factorization.

22842732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470 (or 1468 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 22842732 is about 4779.4070761968. The cubic root of 22842732 is about 283.7370276176.

The spelling of 22842732 in words is "twenty-two million, eight hundred forty-two thousand, seven hundred thirty-two".