22147044 has 24 divisors (see below), whose sum is σ = 51797760. Its totient is φ = 7365024.

The previous prime is 22147043. The next prime is 22147049. The reversal of 22147044 is 44074122.

It is not an unprimeable number, because it can be changed into a prime (22147043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3822 + ... + 7674.

It is an arithmetic number, because the mean of its divisors is an integer number (2158240).

Almost surely, 2^22147044 is an apocalyptic number.

It is an amenable number.

22147044 is an abundant number, since it is smaller than the sum of its proper divisors (29650716).

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

22147044 is a wasteful number, since it uses less digits than its factorization.

22147044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339 (or 4337 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 22147044 is about 4706.0645979417. The cubic root of 22147044 is about 280.8268247358.

The spelling of 22147044 in words is "twenty-two million, one hundred forty-seven thousand, forty-four".