25227328 has 28 divisors (see below), whose sum is σ = 57212992. Its totient is φ = 10811520.

The previous prime is 25227277. The next prime is 25227329. The reversal of 25227328 is 82372252.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 25227328.

It is not an unprimeable number, because it can be changed into a prime (25227329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27708 + ... + 28603.

Almost surely, 2^25227328 is an apocalyptic number.

25227328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25227328 is an abundant number, since it is smaller than the sum of its proper divisors (31985664).

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

25227328 is an equidigital number, since it uses as much as digits as its factorization.

25227328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56330 (or 56320 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 25227328 is about 5022.6813556108. The cubic root of 25227328 is about 293.2853824282.

The spelling of 25227328 in words is "twenty-five million, two hundred twenty-seven thousand, three hundred twenty-eight".