25322250 has 64 divisors (see below), whose sum is σ = 66568320. Its totient is φ = 6393600.

The previous prime is 25322233. The next prime is 25322251. The reversal of 25322250 is 5222352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25322251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13362 + ... + 15138.

It is an arithmetic number, because the mean of its divisors is an integer number (1040130).

Almost surely, 2^25322250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25322250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33284160).

25322250 is an abundant number, since it is smaller than the sum of its proper divisors (41246070).

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

25322250 is a wasteful number, since it uses less digits than its factorization.

25322250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816 (or 1806 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25322250 is about 5032.1218188752. The cubic root of 25322250 is about 293.6527669738.

It can be divided in two parts, 2532 and 2250, that multiplied together give a triangular number (5697000 = T₃₃₇₅).

The spelling of 25322250 in words is "twenty-five million, three hundred twenty-two thousand, two hundred fifty".