226531863 has 8 divisors (see below), whose sum is σ = 335602800. Its totient is φ = 151021224.

The previous prime is 226531859. The next prime is 226531867. The reversal of 226531863 is 368135622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (226531859) and next prime (226531867).

It is not a de Polignac number, because 226531863 - 2² = 226531859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226531867) 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, 4195008 + ... + 4195061.

It is an arithmetic number, because the mean of its divisors is an integer number (41950350).

Almost surely, 2^226531863 is an apocalyptic number.

226531863 is a deficient number, since it is larger than the sum of its proper divisors (109070937).

226531863 is an equidigital number, since it uses as much as digits as its factorization.

226531863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8390078 (or 8390072 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 226531863 is about 15050.9754833366. The cubic root of 226531863 is about 609.5973899774.

The spelling of 226531863 in words is "two hundred twenty-six million, five hundred thirty-one thousand, eight hundred sixty-three".