22048572 has 96 divisors (see below), whose sum is σ = 64551424. Its totient is φ = 5702400.

The previous prime is 22048549. The next prime is 22048589. The reversal of 22048572 is 27584022.

It is a super-2 number, since 2×22048572² = 972279054478368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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 31 ways as a sum of consecutive naturals, for example, 66447 + ... + 66777.

Almost surely, 2^22048572 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 22048572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32275712).

22048572 is an abundant number, since it is smaller than the sum of its proper divisors (42502852).

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

22048572 is a wasteful number, since it uses less digits than its factorization.

22048572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 417 counting only the distinct ones).

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

The square root of 22048572 is about 4695.5906976652. The cubic root of 22048572 is about 280.4099946037.

The spelling of 22048572 in words is "twenty-two million, forty-eight thousand, five hundred seventy-two".