25142226 has 8 divisors (see below), whose sum is σ = 50284464. Its totient is φ = 8380740.

The previous prime is 25142213. The next prime is 25142239. The reversal of 25142226 is 62224152.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25142213) and next prime (25142239).

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

25142226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 25142196 and 25142205.

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, 2095180 + ... + 2095191.

It is an arithmetic number, because the mean of its divisors is an integer number (6285558).

Almost surely, 2^25142226 is an apocalyptic number.

25142226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25142226 is a wasteful number, since it uses less digits than its factorization.

25142226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190376.

The product of its digits is 1920, while the sum is 24.

The square root of 25142226 is about 5014.2024291008. The cubic root of 25142226 is about 292.9552207463.

Adding to 25142226 its reverse (62224152), we get a palindrome (87366378).

The spelling of 25142226 in words is "twenty-five million, one hundred forty-two thousand, two hundred twenty-six".