25254222 has 16 divisors (see below), whose sum is σ = 57724032. Its totient is φ = 7215480.

The previous prime is 25254221. The next prime is 25254223. The reversal of 25254222 is 22245252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25254221) and next prime (25254223).

It is a junction number, because it is equal to n+sod(n) for n = 25254192 and 25254201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25254221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300604 + ... + 300687.

It is an arithmetic number, because the mean of its divisors is an integer number (3607752).

Almost surely, 2^25254222 is an apocalyptic number.

25254222 is an abundant number, since it is smaller than the sum of its proper divisors (32469810).

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

25254222 is a wasteful number, since it uses less digits than its factorization.

25254222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601303.

The product of its digits is 3200, while the sum is 24.

The square root of 25254222 is about 5025.3578977024. The cubic root of 25254222 is about 293.3895659526.

Adding to 25254222 its reverse (22245252), we get a palindrome (47499474).

The spelling of 25254222 in words is "twenty-five million, two hundred fifty-four thousand, two hundred twenty-two".