227864870231 has 4 divisors (see below), whose sum is σ = 227867145000. Its totient is φ = 227862595464.

The previous prime is 227864870203. The next prime is 227864870239. The reversal of 227864870231 is 132078468722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227864870231 is a prime.

It is a super-2 number, since 2×227864870231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 227864870231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227864870239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979856 + ... + 1189893.

It is an arithmetic number, because the mean of its divisors is an integer number (56966786250).

Almost surely, 2^227864870231 is an apocalyptic number.

227864870231 is a deficient number, since it is larger than the sum of its proper divisors (2274769).

227864870231 is a wasteful number, since it uses less digits than its factorization.

227864870231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274768.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 227864870231 in words is "two hundred twenty-seven billion, eight hundred sixty-four million, eight hundred seventy thousand, two hundred thirty-one".