22765751 has 2 divisors, whose sum is σ = 22765752. Its totient is φ = 22765750.

The previous prime is 22765747. The next prime is 22765753. The reversal of 22765751 is 15756722.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22765751 - 2² = 22765747 is a prime.

It is a Sophie Germain prime.

Together with 22765753, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22765753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11382875 + 11382876.

It is an arithmetic number, because the mean of its divisors is an integer number (11382876).

Almost surely, 2^22765751 is an apocalyptic number.

22765751 is a deficient number, since it is larger than the sum of its proper divisors (1).

22765751 is an equidigital number, since it uses as much as digits as its factorization.

22765751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29400, while the sum is 35.

The square root of 22765751 is about 4771.3468748352. The cubic root of 22765751 is about 283.4179335219.

The spelling of 22765751 in words is "twenty-two million, seven hundred sixty-five thousand, seven hundred fifty-one".