225311355 has 32 divisors (see below), whose sum is σ = 403468800. Its totient is φ = 119291616.

The previous prime is 225311327. The next prime is 225311363. The reversal of 225311355 is 553113522.

It is a happy number.

It is not a de Polignac number, because 225311355 - 2¹⁵ = 225278587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12762 + ... + 24768.

It is an arithmetic number, because the mean of its divisors is an integer number (12608400).

Almost surely, 2^225311355 is an apocalyptic number.

225311355 is a deficient number, since it is larger than the sum of its proper divisors (178157445).

225311355 is a wasteful number, since it uses less digits than its factorization.

225311355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12160 (or 12154 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 225311355 is about 15010.3749120400. The cubic root of 225311355 is about 608.5006219516.

Adding to 225311355 its reverse (553113522), we get a palindrome (778424877).

The spelling of 225311355 in words is "two hundred twenty-five million, three hundred eleven thousand, three hundred fifty-five".