25135222 has 32 divisors (see below), whose sum is σ = 44255232. Its totient is φ = 10485504.

The previous prime is 25135213. The next prime is 25135237. The reversal of 25135222 is 22253152.

It is a junction number, because it is equal to n+sod(n) for n = 25135193 and 25135202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112603 + ... + 112825.

It is an arithmetic number, because the mean of its divisors is an integer number (1382976).

Almost surely, 2^25135222 is an apocalyptic number.

25135222 is a deficient number, since it is larger than the sum of its proper divisors (19120010).

25135222 is a wasteful number, since it uses less digits than its factorization.

25135222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412.

The product of its digits is 1200, while the sum is 22.

The square root of 25135222 is about 5013.5039642948. The cubic root of 25135222 is about 292.9280148692.

Adding to 25135222 its reverse (22253152), we get a palindrome (47388374).

The spelling of 25135222 in words is "twenty-five million, one hundred thirty-five thousand, two hundred twenty-two".