22045874 has 8 divisors (see below), whose sum is σ = 33119280. Its totient is φ = 11006116.

The previous prime is 22045853. The next prime is 22045883. The reversal of 22045874 is 47854022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22045874.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6704 + ... + 9435.

It is an arithmetic number, because the mean of its divisors is an integer number (4139910).

Almost surely, 2^22045874 is an apocalyptic number.

22045874 is a deficient number, since it is larger than the sum of its proper divisors (11073406).

22045874 is a wasteful number, since it uses less digits than its factorization.

22045874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16824.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 22045874 is about 4695.3033980777. The cubic root of 22045874 is about 280.3985565686.

Adding to 22045874 its reverse (47854022), we get a palindrome (69899896).

The spelling of 22045874 in words is "twenty-two million, forty-five thousand, eight hundred seventy-four".