22572822 has 8 divisors (see below), whose sum is σ = 45145656. Its totient is φ = 7524272.

The previous prime is 22572811. The next prime is 22572857. The reversal of 22572822 is 22827522.

It is a sphenic number, since it is the product of 3 distinct primes.

22572822 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22572822.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1881063 + ... + 1881074.

It is an arithmetic number, because the mean of its divisors is an integer number (5643207).

Almost surely, 2^22572822 is an apocalyptic number.

22572822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22572822 is a wasteful number, since it uses less digits than its factorization.

22572822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762142.

The product of its digits is 8960, while the sum is 30.

The square root of 22572822 is about 4751.0864020769. The cubic root of 22572822 is about 282.6150501183.

It can be divided in two parts, 225 and 72822, that multiplied together give a triangular number (16384950 = T₅₇₂₄).

The spelling of 22572822 in words is "twenty-two million, five hundred seventy-two thousand, eight hundred twenty-two".