226309831 has 24 divisors (see below), whose sum is σ = 264231216. Its totient is φ = 192184320.

The previous prime is 226309819. The next prime is 226309847. The reversal of 226309831 is 138903622.

It is a happy number.

It is not a de Polignac number, because 226309831 - 2⁹ = 226309319 is a prime.

It is a super-2 number, since 2×226309831² = 102432279214497122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226309801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 816865 + ... + 817141.

It is an arithmetic number, because the mean of its divisors is an integer number (11009634).

Almost surely, 2^226309831 is an apocalyptic number.

226309831 is a deficient number, since it is larger than the sum of its proper divisors (37921385).

226309831 is a wasteful number, since it uses less digits than its factorization.

226309831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 226309831 is about 15043.5976747585. The cubic root of 226309831 is about 609.3981621211.

The spelling of 226309831 in words is "two hundred twenty-six million, three hundred nine thousand, eight hundred thirty-one".