25025222 has 8 divisors (see below), whose sum is σ = 38246256. Its totient is φ = 12276472.

The previous prime is 25025213. The next prime is 25025251. The reversal of 25025222 is 22252052.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25025222² = 1252523472298568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25025194 and 25025203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117938 + ... + 118149.

It is an arithmetic number, because the mean of its divisors is an integer number (4780782).

Almost surely, 2^25025222 is an apocalyptic number.

25025222 is a deficient number, since it is larger than the sum of its proper divisors (13221034).

25025222 is a wasteful number, since it uses less digits than its factorization.

25025222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236142.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 25025222 is about 5002.5215641714. The cubic root of 25025222 is about 292.5000735383.

Adding to 25025222 its reverse (22252052), we get a palindrome (47277274).

The spelling of 25025222 in words is "twenty-five million, twenty-five thousand, two hundred twenty-two".