226213231 has 8 divisors (see below), whose sum is σ = 235580544. Its totient is φ = 216975360.

The previous prime is 226213223. The next prime is 226213241. The reversal of 226213231 is 132312622.

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

It is a cyclic number.

It is not a de Polignac number, because 226213231 - 2³ = 226213223 is a prime.

It is a super-2 number, since 2×226213231² = 102344851758918722, 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 (226213241) 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, 28786 + ... + 35791.

It is an arithmetic number, because the mean of its divisors is an integer number (29447568).

Almost surely, 2^226213231 is an apocalyptic number.

226213231 is a deficient number, since it is larger than the sum of its proper divisors (9367313).

226213231 is a wasteful number, since it uses less digits than its factorization.

226213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64721.

The product of its digits is 864, while the sum is 22.

The square root of 226213231 is about 15040.3866639126. The cubic root of 226213231 is about 609.3114428949.

Adding to 226213231 its reverse (132312622), we get a palindrome (358525853).

It can be divided in two parts, 22621 and 3231, that added together give a palindrome (25852).

The spelling of 226213231 in words is "two hundred twenty-six million, two hundred thirteen thousand, two hundred thirty-one".