22750451 has 2 divisors, whose sum is σ = 22750452. Its totient is φ = 22750450.

The previous prime is 22750439. The next prime is 22750489. The reversal of 22750451 is 15405722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22750451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22750451.

It is not a weakly prime, because it can be changed into another prime (22750421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11375225 + 11375226.

It is an arithmetic number, because the mean of its divisors is an integer number (11375226).

Almost surely, 2^22750451 is an apocalyptic number.

22750451 is a deficient number, since it is larger than the sum of its proper divisors (1).

22750451 is an equidigital number, since it uses as much as digits as its factorization.

22750451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 22750451 is about 4769.7432844966. The cubic root of 22750451 is about 283.3544278028.

The spelling of 22750451 in words is "twenty-two million, seven hundred fifty thousand, four hundred fifty-one".