22750775 has 6 divisors (see below), whose sum is σ = 28210992. Its totient is φ = 18200600.

The previous prime is 22750769. The next prime is 22750781. The reversal of 22750775 is 57705722.

It is an interprime number because it is at equal distance from previous prime (22750769) and next prime (22750781).

It is not a de Polignac number, because 22750775 - 2⁴ = 22750759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454991 + ... + 455040.

It is an arithmetic number, because the mean of its divisors is an integer number (4701832).

Almost surely, 2^22750775 is an apocalyptic number.

22750775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22750775 is a deficient number, since it is larger than the sum of its proper divisors (5460217).

22750775 is an equidigital number, since it uses as much as digits as its factorization.

22750775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910041 (or 910036 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 22750775 is about 4769.7772484677. Note that the first 3 decimals coincide. The cubic root of 22750775 is about 283.3557729248.

The spelling of 22750775 in words is "twenty-two million, seven hundred fifty thousand, seven hundred seventy-five".