225356859 has 24 divisors (see below), whose sum is σ = 400635872. Its totient is φ = 118869120.

The previous prime is 225356849. The next prime is 225356897. The reversal of 225356859 is 958653522.

225356859 is a `hidden beast` number, since 2 + 2 + 535 + 68 + 59 = 666.

It is not a de Polignac number, because 225356859 - 2⁴ = 225356843 is a prime.

It is a super-3 number, since 3×225356859³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (225356809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136762 + ... + 138399.

Almost surely, 2^225356859 is an apocalyptic number.

225356859 is a deficient number, since it is larger than the sum of its proper divisors (175279013).

225356859 is a wasteful number, since it uses less digits than its factorization.

225356859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275187 (or 275184 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 225356859 is about 15011.8905871313. The cubic root of 225356859 is about 608.5415835630.

The spelling of 225356859 in words is "two hundred twenty-five million, three hundred fifty-six thousand, eight hundred fifty-nine".