22750751 has 4 divisors (see below), whose sum is σ = 22763472. Its totient is φ = 22738032.

The previous prime is 22750747. The next prime is 22750753. The reversal of 22750751 is 15705722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22750751 - 2² = 22750747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22750753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3131 + ... + 7436.

It is an arithmetic number, because the mean of its divisors is an integer number (5690868).

Almost surely, 2^22750751 is an apocalyptic number.

22750751 is a deficient number, since it is larger than the sum of its proper divisors (12721).

22750751 is a wasteful number, since it uses less digits than its factorization.

22750751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12720.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 22750751 is about 4769.7747326263. The cubic root of 22750751 is about 283.3556732866.

The spelling of 22750751 in words is "twenty-two million, seven hundred fifty thousand, seven hundred fifty-one".