22724514 has 24 divisors (see below), whose sum is σ = 49326732. Its totient is φ = 7560960.

The previous prime is 22724501. The next prime is 22724543. The reversal of 22724514 is 41542722.

It can be written as a sum of positive squares in 2 ways, for example, as 22724289 + 225 = 4767^2 + 15^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15142 + ... + 16574.

Almost surely, 2^22724514 is an apocalyptic number.

22724514 is an abundant number, since it is smaller than the sum of its proper divisors (26602218).

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

22724514 is a wasteful number, since it uses less digits than its factorization.

22724514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322 (or 2319 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 22724514 is about 4767.0235996899. The cubic root of 22724514 is about 283.2467060045.

It can be divided in two parts, 2272 and 4514, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 22724514 in words is "twenty-two million, seven hundred twenty-four thousand, five hundred fourteen".