225277723 has 4 divisors (see below), whose sum is σ = 245757528. Its totient is φ = 204797920.

The previous prime is 225277711. The next prime is 225277733. The reversal of 225277723 is 327772522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225277723 - 2⁵ = 225277691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225277733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10239886 + ... + 10239907.

It is an arithmetic number, because the mean of its divisors is an integer number (61439382).

Almost surely, 2^225277723 is an apocalyptic number.

225277723 is a deficient number, since it is larger than the sum of its proper divisors (20479805).

225277723 is a wasteful number, since it uses less digits than its factorization.

225277723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20479804.

The product of its digits is 82320, while the sum is 37.

The square root of 225277723 is about 15009.2545784259. The cubic root of 225277723 is about 608.4703436859.

The spelling of 225277723 in words is "two hundred twenty-five million, two hundred seventy-seven thousand, seven hundred twenty-three".