225152660 has 24 divisors (see below), whose sum is σ = 497706720. Its totient is φ = 85320864.

The previous prime is 225152657. The next prime is 225152663. The reversal of 225152660 is 66251522.

It is an interprime number because it is at equal distance from previous prime (225152657) and next prime (225152663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225152663) 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, 295874 + ... + 296633.

It is an arithmetic number, because the mean of its divisors is an integer number (20737780).

Almost surely, 2^225152660 is an apocalyptic number.

225152660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225152660 is an abundant number, since it is smaller than the sum of its proper divisors (272554060).

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

225152660 is a wasteful number, since it uses less digits than its factorization.

225152660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592535 (or 592533 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 225152660 is about 15005.0878038084. The cubic root of 225152660 is about 608.3577253413.

The spelling of 225152660 in words is "two hundred twenty-five million, one hundred fifty-two thousand, six hundred sixty".