25022091 has 16 divisors (see below), whose sum is σ = 35080704. Its totient is φ = 15833664.

The previous prime is 25022089. The next prime is 25022117. The reversal of 25022091 is 19022052.

It is not a de Polignac number, because 25022091 - 2¹ = 25022089 is a prime.

It is a super-2 number, since 2×25022091² = 1252210076024562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25022051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8130 + ... + 10776.

It is an arithmetic number, because the mean of its divisors is an integer number (2192544).

Almost surely, 2^25022091 is an apocalyptic number.

25022091 is a deficient number, since it is larger than the sum of its proper divisors (10058613).

25022091 is a wasteful number, since it uses less digits than its factorization.

25022091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 25022091 is about 5002.2086122032. The cubic root of 25022091 is about 292.4878744334.

The spelling of 25022091 in words is "twenty-five million, twenty-two thousand, ninety-one".