22574874 has 16 divisors (see below), whose sum is σ = 51599808. Its totient is φ = 6449952.

The previous prime is 22574833. The next prime is 22574879. The reversal of 22574874 is 47847522.

It is a super-4 number, since 4×22574874⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22574879) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 268707 + ... + 268790.

It is an arithmetic number, because the mean of its divisors is an integer number (3224988).

Almost surely, 2^22574874 is an apocalyptic number.

22574874 is an abundant number, since it is smaller than the sum of its proper divisors (29024934).

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

22574874 is a wasteful number, since it uses less digits than its factorization.

22574874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537509.

The product of its digits is 125440, while the sum is 39.

The square root of 22574874 is about 4751.3023477779. The cubic root of 22574874 is about 282.6236136394.

The spelling of 22574874 in words is "twenty-two million, five hundred seventy-four thousand, eight hundred seventy-four".