225431535 has 32 divisors (see below), whose sum is σ = 425521152. Its totient is φ = 99728640.

The previous prime is 225431501. The next prime is 225431573. The reversal of 225431535 is 535134522.

It is not a de Polignac number, because 225431535 - 2⁹ = 225431023 is a prime.

It is a super-3 number, since 3×225431535³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

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, 31374 + ... + 37883.

It is an arithmetic number, because the mean of its divisors is an integer number (13297536).

Almost surely, 2^225431535 is an apocalyptic number.

225431535 is a deficient number, since it is larger than the sum of its proper divisors (200089617).

225431535 is a wasteful number, since it uses less digits than its factorization.

225431535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69303.

The product of its digits is 18000, while the sum is 30.

The square root of 225431535 is about 15014.3776094782. The cubic root of 225431535 is about 608.6087931625.

The spelling of 225431535 in words is "two hundred twenty-five million, four hundred thirty-one thousand, five hundred thirty-five".