22502516 has 12 divisors (see below), whose sum is σ = 39480420. Its totient is φ = 11222400.

The previous prime is 22502489. The next prime is 22502531. The reversal of 22502516 is 61520522.

It can be written as a sum of positive squares in 2 ways, for example, as 11874916 + 10627600 = 3446^2 + 3260^2 .

It is a super-3 number, since 3×22502516³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22502491 and 22502500.

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, 5411 + ... + 8618.

It is an arithmetic number, because the mean of its divisors is an integer number (3290035).

Almost surely, 2^22502516 is an apocalyptic number.

It is an amenable number.

22502516 is a deficient number, since it is larger than the sum of its proper divisors (16977904).

22502516 is a wasteful number, since it uses less digits than its factorization.

22502516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14434 (or 14432 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 22502516 is about 4743.6816925253. The cubic root of 22502516 is about 282.3213311461.

The spelling of 22502516 in words is "twenty-two million, five hundred two thousand, five hundred sixteen".