22533974 has 8 divisors (see below), whose sum is σ = 35270640. Its totient is φ = 10777096.

The previous prime is 22533967. The next prime is 22533983. The reversal of 22533974 is 47933522.

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

It is a congruent number.

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, 244889 + ... + 244980.

It is an arithmetic number, because the mean of its divisors is an integer number (4408830).

Almost surely, 2^22533974 is an apocalyptic number.

22533974 is a deficient number, since it is larger than the sum of its proper divisors (12736666).

22533974 is a wasteful number, since it uses less digits than its factorization.

22533974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489894.

The product of its digits is 45360, while the sum is 35.

The square root of 22533974 is about 4746.9963134597. The cubic root of 22533974 is about 282.4528294646.

Adding to 22533974 its sum of digits (35), we get a square (22534009 = 4747²).

The spelling of 22533974 in words is "twenty-two million, five hundred thirty-three thousand, nine hundred seventy-four".