22920751 has 8 divisors (see below), whose sum is σ = 26689824. Its totient is φ = 19275360.

The previous prime is 22920739. The next prime is 22920761. The reversal of 22920751 is 15702922.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22920751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22920721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30520 + ... + 31261.

It is an arithmetic number, because the mean of its divisors is an integer number (3336228).

Almost surely, 2^22920751 is an apocalyptic number.

22920751 is a deficient number, since it is larger than the sum of its proper divisors (3769073).

22920751 is an equidigital number, since it uses as much as digits as its factorization.

22920751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61841.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 22920751 is about 4787.5621144796. The cubic root of 22920751 is about 284.0596936943.

The spelling of 22920751 in words is "twenty-two million, nine hundred twenty thousand, seven hundred fifty-one".