22934521 has 3 divisors (see below), whose sum is σ = 22939311. Its totient is φ = 22929732.

The previous prime is 22934503. The next prime is 22934533. The reversal of 22934521 is 12543922.

The square root of 22934521 is 4789.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12543922 = 2 ⋅6271961.

It can be written as a sum of positive squares in only one way, i.e., 1590121 + 21344400 = 1261^2 + 4620^2 .

It is not a de Polignac number, because 22934521 - 2⁵ = 22934489 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22934521.

It is not an unprimeable number, because it can be changed into a prime (22934591) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2395 + ... + 7183.

It is an arithmetic number, because the mean of its divisors is an integer number (7646437).

Almost surely, 2^22934521 is an apocalyptic number.

22934521 is the 4789-th square number.

22934521 is the 2395-th centered octagonal number.

It is an amenable number.

22934521 is a deficient number, since it is larger than the sum of its proper divisors (4790).

22934521 is an frugal number, since it uses more digits than its factorization.

22934521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578 (or 4789 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The cubic root of 22934521 is about 284.1165667427.

The spelling of 22934521 in words is "twenty-two million, nine hundred thirty-four thousand, five hundred twenty-one".