25190022 has 96 divisors (see below), whose sum is σ = 63546336. Its totient is φ = 6589440.

The previous prime is 25190003. The next prime is 25190023. The reversal of 25190022 is 22009152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25190023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160368 + ... + 160524.

It is an arithmetic number, because the mean of its divisors is an integer number (661941).

Almost surely, 2^25190022 is an apocalyptic number.

25190022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25190022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31773168).

25190022 is an abundant number, since it is smaller than the sum of its proper divisors (38356314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25190022 is a wasteful number, since it uses less digits than its factorization.

25190022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 203 counting only the distinct ones).

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

The square root of 25190022 is about 5018.9662282187. The cubic root of 25190022 is about 293.1407416347.

Adding to 25190022 its reverse (22009152), we get a palindrome (47199174).

The spelling of 25190022 in words is "twenty-five million, one hundred ninety thousand, twenty-two".