25097222 has 8 divisors (see below), whose sum is σ = 38176272. Its totient is φ = 12371800.

The previous prime is 25097221. The next prime is 25097227. The reversal of 25097222 is 22279052.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25097221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88229 + ... + 88512.

It is an arithmetic number, because the mean of its divisors is an integer number (4772034).

Almost surely, 2^25097222 is an apocalyptic number.

25097222 is a deficient number, since it is larger than the sum of its proper divisors (13079050).

25097222 is a wasteful number, since it uses less digits than its factorization.

25097222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176814.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 25097222 is about 5009.7127662172. The cubic root of 25097222 is about 292.7803220051.

The spelling of 25097222 in words is "twenty-five million, ninety-seven thousand, two hundred twenty-two".