25152226 has 8 divisors (see below), whose sum is σ = 41158224. Its totient is φ = 11432820.

The previous prime is 25152209. The next prime is 25152289. The reversal of 25152226 is 62225152.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25152226.

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, 571620 + ... + 571663.

It is an arithmetic number, because the mean of its divisors is an integer number (5144778).

Almost surely, 2^25152226 is an apocalyptic number.

25152226 is a deficient number, since it is larger than the sum of its proper divisors (16005998).

25152226 is a wasteful number, since it uses less digits than its factorization.

25152226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143296.

The product of its digits is 2400, while the sum is 25.

The square root of 25152226 is about 5015.1994975275. The cubic root of 25152226 is about 292.9940553333.

Adding to 25152226 its reverse (62225152), we get a palindrome (87377378).

It can be divided in two parts, 25 and 152226, that added together give a palindrome (152251).

The spelling of 25152226 in words is "twenty-five million, one hundred fifty-two thousand, two hundred twenty-six".