25223562 has 160 divisors (see below), whose sum is σ = 73180800. Its totient is φ = 6314112.

The previous prime is 25223551. The next prime is 25223593. The reversal of 25223562 is 26532252.

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

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 427489 + ... + 427547.

It is an arithmetic number, because the mean of its divisors is an integer number (457380).

Almost surely, 2^25223562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25223562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36590400).

25223562 is an abundant number, since it is smaller than the sum of its proper divisors (47957238).

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

25223562 is a wasteful number, since it uses less digits than its factorization.

25223562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 113 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 25223562 is about 5022.3064422634. The cubic root of 25223562 is about 293.2707875715.

It can be divided in two parts, 2522 and 3562, that added together give a square (6084 = 78²).

The spelling of 25223562 in words is "twenty-five million, two hundred twenty-three thousand, five hundred sixty-two".