22752506 has 8 divisors (see below), whose sum is σ = 39004320. Its totient is φ = 9751068.

The previous prime is 22752491. The next prime is 22752517. The reversal of 22752506 is 60525722.

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

It is a Curzon 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, 812576 + ... + 812603.

It is an arithmetic number, because the mean of its divisors is an integer number (4875540).

Almost surely, 2^22752506 is an apocalyptic number.

22752506 is a deficient number, since it is larger than the sum of its proper divisors (16251814).

22752506 is a wasteful number, since it uses less digits than its factorization.

22752506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625188.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 22752506 is about 4769.9587000309. The cubic root of 22752506 is about 283.3629591475.

The spelling of 22752506 in words is "twenty-two million, seven hundred fifty-two thousand, five hundred six".