25222275 has 36 divisors (see below), whose sum is σ = 48656608. Its totient is φ = 12415680.

The previous prime is 25222259. The next prime is 25222277. The reversal of 25222275 is 57222252.

It is not a de Polignac number, because 25222275 - 2⁴ = 25222259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25222277) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1387 + ... + 7236.

Almost surely, 2^25222275 is an apocalyptic number.

25222275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25222275 is a deficient number, since it is larger than the sum of its proper divisors (23434333).

25222275 is a wasteful number, since it uses less digits than its factorization.

25222275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652 (or 8644 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 25222275 is about 5022.1783122466. The cubic root of 25222275 is about 293.2657995643.

The spelling of 25222275 in words is "twenty-five million, two hundred twenty-two thousand, two hundred seventy-five".