220668725 has 12 divisors (see below), whose sum is σ = 277095360. Its totient is φ = 174298800.

The previous prime is 220668719. The next prime is 220668731. The reversal of 220668725 is 527866022.

220668725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220668719) and next prime (220668731).

It is not a de Polignac number, because 220668725 - 2⁴ = 220668709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53891 + ... + 57840.

It is an arithmetic number, because the mean of its divisors is an integer number (23091280).

Almost surely, 2^220668725 is an apocalyptic number.

220668725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220668725 is a deficient number, since it is larger than the sum of its proper divisors (56426635).

220668725 is a wasteful number, since it uses less digits than its factorization.

220668725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111820 (or 111815 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 220668725 is about 14854.9225847865. The cubic root of 220668725 is about 604.2921165312.

The spelling of 220668725 in words is "two hundred twenty million, six hundred sixty-eight thousand, seven hundred twenty-five".