225932631 has 8 divisors (see below), whose sum is σ = 301319424. Its totient is φ = 150583800.

The previous prime is 225932627. The next prime is 225932639. The reversal of 225932631 is 136239522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225932631 - 2² = 225932627 is a prime.

It is a super-2 number, since 2×225932631² = 102091107501164322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225932592 and 225932601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225932639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10290 + ... + 23616.

It is an arithmetic number, because the mean of its divisors is an integer number (37664928).

Almost surely, 2^225932631 is an apocalyptic number.

225932631 is a deficient number, since it is larger than the sum of its proper divisors (75386793).

225932631 is a wasteful number, since it uses less digits than its factorization.

225932631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18981.

The product of its digits is 19440, while the sum is 33.

The square root of 225932631 is about 15031.0555517568. The cubic root of 225932631 is about 609.0594040969.

The spelling of 225932631 in words is "two hundred twenty-five million, nine hundred thirty-two thousand, six hundred thirty-one".