225777315 has 16 divisors (see below), whose sum is σ = 376950528. Its totient is φ = 115178976.

The previous prime is 225777301. The next prime is 225777341. The reversal of 225777315 is 513777522.

It is not a de Polignac number, because 225777315 - 2¹⁶ = 225711779 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326869 + ... + 327558.

It is an arithmetic number, because the mean of its divisors is an integer number (23559408).

Almost surely, 2^225777315 is an apocalyptic number.

225777315 is a deficient number, since it is larger than the sum of its proper divisors (151173213).

225777315 is a wasteful number, since it uses less digits than its factorization.

225777315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654458.

The product of its digits is 102900, while the sum is 39.

The square root of 225777315 is about 15025.8881601055. Note that the first 3 decimals coincide. The cubic root of 225777315 is about 608.9198073878.

It can be divided in two parts, 22577 and 7315, that added together give a palindrome (29892).

The spelling of 225777315 in words is "two hundred twenty-five million, seven hundred seventy-seven thousand, three hundred fifteen".