25223780 has 24 divisors (see below), whose sum is σ = 53065152. Its totient is φ = 10071392.

The previous prime is 25223771. The next prime is 25223789. The reversal of 25223780 is 8732252.

It is an interprime number because it is at equal distance from previous prime (25223771) and next prime (25223789).

It is not an unprimeable number, because it can be changed into a prime (25223789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19019 + ... + 20301.

It is an arithmetic number, because the mean of its divisors is an integer number (2211048).

Almost surely, 2^25223780 is an apocalyptic number.

25223780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25223780 is an abundant number, since it is smaller than the sum of its proper divisors (27841372).

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

25223780 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (25223779) it forms an eRAP, since the sums of their prime factors are consecutive (2274 and 2275).

25223780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 25223780 is about 5022.3281453923. The cubic root of 25223780 is about 293.2716324541.

The spelling of 25223780 in words is "twenty-five million, two hundred twenty-three thousand, seven hundred eighty".