229955631 has 8 divisors (see below), whose sum is σ = 313131264. Its totient is φ = 150041880.

The previous prime is 229955611. The next prime is 229955639. The reversal of 229955631 is 136559922.

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

It is not a de Polignac number, because 229955631 - 2⁵ = 229955599 is a prime.

It is a super-2 number, since 2×229955631² = 105759184457216322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229955639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815305 + ... + 815586.

It is an arithmetic number, because the mean of its divisors is an integer number (39141408).

Almost surely, 2^229955631 is an apocalyptic number.

229955631 is a deficient number, since it is larger than the sum of its proper divisors (83175633).

229955631 is a wasteful number, since it uses less digits than its factorization.

229955631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630941.

The product of its digits is 145800, while the sum is 42.

The square root of 229955631 is about 15164.2880149383. The cubic root of 229955631 is about 612.6531670812.

The spelling of 229955631 in words is "two hundred twenty-nine million, nine hundred fifty-five thousand, six hundred thirty-one".