22047792 has 80 divisors (see below), whose sum is σ = 62183520. Its totient is φ = 6690816.

The previous prime is 22047721. The next prime is 22047797. The reversal of 22047792 is 29774022.

It is a super-2 number, since 2×22047792² = 972210264150528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22047797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55338 + ... + 55734.

It is an arithmetic number, because the mean of its divisors is an integer number (777294).

Almost surely, 2^22047792 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 22047792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31091760).

22047792 is an abundant number, since it is smaller than the sum of its proper divisors (40135728).

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

22047792 is a wasteful number, since it uses less digits than its factorization.

22047792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 22047792 is about 4695.5076402877. The cubic root of 22047792 is about 280.4066879289.

The spelling of 22047792 in words is "twenty-two million, forty-seven thousand, seven hundred ninety-two".