225766027720 has 32 divisors (see below), whose sum is σ = 510780062520. Its totient is φ = 89807477760.

The previous prime is 225766027693. The next prime is 225766027733. The reversal of 225766027720 is 27720667522.

It can be written as a sum of positive squares in 4 ways, for example, as 142661822436 + 83104205284 = 377706^2 + 288278^2 .

It is a super-3 number, since 3×225766027720³ (a number of 35 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15584337 + ... + 15598816.

Almost surely, 2^225766027720 is an apocalyptic number.

225766027720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225766027720 is an abundant number, since it is smaller than the sum of its proper divisors (285014034800).

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

225766027720 is a wasteful number, since it uses less digits than its factorization.

225766027720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31183345 (or 31183341 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 225766027720 in words is "two hundred twenty-five billion, seven hundred sixty-six million, twenty-seven thousand, seven hundred twenty".