22752087 has 8 divisors (see below), whose sum is σ = 30462960. Its totient is φ = 15104640.

The previous prime is 22752073. The next prime is 22752091. The reversal of 22752087 is 78025722.

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

It is not a de Polignac number, because 22752087 - 2⁴ = 22752071 is a prime.

It is a super-3 number, since 3×22752087³ (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22752017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15012 + ... + 16457.

It is an arithmetic number, because the mean of its divisors is an integer number (3807870).

Almost surely, 2^22752087 is an apocalyptic number.

22752087 is a deficient number, since it is larger than the sum of its proper divisors (7710873).

22752087 is a wasteful number, since it uses less digits than its factorization.

22752087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31713.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 22752087 is about 4769.9147791129. The cubic root of 22752087 is about 283.3612197082.

The spelling of 22752087 in words is "twenty-two million, seven hundred fifty-two thousand, eighty-seven".