225357223 has 24 divisors (see below), whose sum is σ = 283545360. Its totient is φ = 177528960.

The previous prime is 225357221. The next prime is 225357229. The reversal of 225357223 is 322753522.

It is a happy number.

It is not a de Polignac number, because 225357223 - 2¹ = 225357221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225357221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178368 + ... + 179626.

It is an arithmetic number, because the mean of its divisors is an integer number (11814390).

Almost surely, 2^225357223 is an apocalyptic number.

225357223 is a deficient number, since it is larger than the sum of its proper divisors (58188137).

225357223 is a wasteful number, since it uses less digits than its factorization.

225357223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1560 counting only the distinct ones).

The product of its digits is 25200, while the sum is 31.

The square root of 225357223 is about 15011.9027108491. The cubic root of 225357223 is about 608.5419112048.

The spelling of 225357223 in words is "two hundred twenty-five million, three hundred fifty-seven thousand, two hundred twenty-three".