25223480 has 16 divisors (see below), whose sum is σ = 56752920. Its totient is φ = 10089376.

The previous prime is 25223477. The next prime is 25223483. The reversal of 25223480 is 8432252.

It is an interprime number because it is at equal distance from previous prime (25223477) and next prime (25223483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25223483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315254 + ... + 315333.

Almost surely, 2^25223480 is an apocalyptic number.

25223480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25223480 is an abundant number, since it is smaller than the sum of its proper divisors (31529440).

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

25223480 is a wasteful number, since it uses less digits than its factorization.

25223480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630598 (or 630594 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 25223480 is about 5022.2982786768. The cubic root of 25223480 is about 293.2704697703.

It can be divided in two parts, 252 and 23480, that added together give a palindrome (23732).

The spelling of 25223480 in words is "twenty-five million, two hundred twenty-three thousand, four hundred eighty".