25222752 has 120 divisors (see below), whose sum is σ = 76473936. Its totient is φ = 8149248.

The previous prime is 25222727. The next prime is 25222777. The reversal of 25222752 is 25722252.

It is an interprime number because it is at equal distance from previous prime (25222727) and next prime (25222777).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 95773 + ... + 96035.

Almost surely, 2^25222752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25222752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38236968).

25222752 is an abundant number, since it is smaller than the sum of its proper divisors (51251184).

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

25222752 is a wasteful number, since it uses less digits than its factorization.

25222752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 305 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 25222752 is about 5022.2258013753. The cubic root of 25222752 is about 293.2676482861.

Subtracting 25222752 from its reverse (25722252), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 25222752 in words is "twenty-five million, two hundred twenty-two thousand, seven hundred fifty-two".