22750275 has 12 divisors (see below), whose sum is σ = 37613912. Its totient is φ = 12133440.

The previous prime is 22750271. The next prime is 22750279. The reversal of 22750275 is 57205722.

It is an interprime number because it is at equal distance from previous prime (22750271) and next prime (22750279).

It is not a de Polignac number, because 22750275 - 2² = 22750271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22750271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151594 + ... + 151743.

Almost surely, 2^22750275 is an apocalyptic number.

22750275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22750275 is a deficient number, since it is larger than the sum of its proper divisors (14863637).

22750275 is a wasteful number, since it uses less digits than its factorization.

22750275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303350 (or 303345 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 22750275 is about 4769.7248348306. The cubic root of 22750275 is about 283.3536971138.

Adding to 22750275 its reverse (57205722), we get a palindrome (79955997).

The spelling of 22750275 in words is "twenty-two million, seven hundred fifty thousand, two hundred seventy-five".