25022163 has 4 divisors (see below), whose sum is σ = 33362888. Its totient is φ = 16681440.

The previous prime is 25022119. The next prime is 25022167. The reversal of 25022163 is 36122052.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25022163 - 2¹⁴ = 25005779 is a prime.

It is a super-2 number, since 2×25022163² = 1252217282397138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25022167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4170358 + ... + 4170363.

It is an arithmetic number, because the mean of its divisors is an integer number (8340722).

Almost surely, 2^25022163 is an apocalyptic number.

25022163 is a deficient number, since it is larger than the sum of its proper divisors (8340725).

25022163 is an equidigital number, since it uses as much as digits as its factorization.

25022163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8340724.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 25022163 is about 5002.2158090190. The cubic root of 25022163 is about 292.4881549736.

The spelling of 25022163 in words is "twenty-five million, twenty-two thousand, one hundred sixty-three".