25947222 has 16 divisors (see below), whose sum is σ = 59308032. Its totient is φ = 7413480.

The previous prime is 25947221. The next prime is 25947223. The reversal of 25947222 is 22274952.

It is an interprime number because it is at equal distance from previous prime (25947221) and next prime (25947223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25947221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308854 + ... + 308937.

It is an arithmetic number, because the mean of its divisors is an integer number (3706752).

Almost surely, 2^25947222 is an apocalyptic number.

25947222 is an abundant number, since it is smaller than the sum of its proper divisors (33360810).

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

25947222 is a wasteful number, since it uses less digits than its factorization.

25947222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617803.

The product of its digits is 20160, while the sum is 33.

The square root of 25947222 is about 5093.8415758639. The cubic root of 25947222 is about 296.0490164139.

The spelling of 25947222 in words is "twenty-five million, nine hundred forty-seven thousand, two hundred twenty-two".