22821832 has 16 divisors (see below), whose sum is σ = 46681200. Its totient is φ = 10373520.

The previous prime is 22821817. The next prime is 22821839. The reversal of 22821832 is 23812822.

It is a self number, because there is not a number n which added to its sum of digits gives 22821832.

It is not an unprimeable number, because it can be changed into a prime (22821839) 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 3 ways as a sum of consecutive naturals, for example, 129582 + ... + 129757.

It is an arithmetic number, because the mean of its divisors is an integer number (2917575).

Almost surely, 2^22821832 is an apocalyptic number.

22821832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22821832 is an abundant number, since it is smaller than the sum of its proper divisors (23859368).

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

22821832 is a wasteful number, since it uses less digits than its factorization.

22821832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259356 (or 259352 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 22821832 is about 4777.2201121573. The cubic root of 22821832 is about 283.6504659725.

It can be divided in two parts, 22821 and 832, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 22821832 in words is "twenty-two million, eight hundred twenty-one thousand, eight hundred thirty-two".