226931831 has 8 divisors (see below), whose sum is σ = 259944960. Its totient is φ = 194067288.

The previous prime is 226931819. The next prime is 226931857. The reversal of 226931831 is 138139622.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226931831 is a prime.

It is a super-2 number, since 2×226931831² = 102996111842025122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226931791 and 226931800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226933831) 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, 33851 + ... + 39996.

It is an arithmetic number, because the mean of its divisors is an integer number (32493120).

Almost surely, 2^226931831 is an apocalyptic number.

226931831 is a deficient number, since it is larger than the sum of its proper divisors (33013129).

226931831 is an equidigital number, since it uses as much as digits as its factorization.

226931831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74293.

The product of its digits is 15552, while the sum is 35.

The square root of 226931831 is about 15064.2567357304. The cubic root of 226931831 is about 609.9559504159.

The spelling of 226931831 in words is "two hundred twenty-six million, nine hundred thirty-one thousand, eight hundred thirty-one".