226531229 has 4 divisors (see below), whose sum is σ = 233838720. Its totient is φ = 219223740.

The previous prime is 226531177. The next prime is 226531231. The reversal of 226531229 is 922135622.

226531229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 922135622 = 2 ⋅461067811.

It is a cyclic number.

It is not a de Polignac number, because 226531229 - 2⁸ = 226530973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226531195 and 226531204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226531289) 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, 3653699 + ... + 3653760.

It is an arithmetic number, because the mean of its divisors is an integer number (58459680).

Almost surely, 2^226531229 is an apocalyptic number.

It is an amenable number.

226531229 is a deficient number, since it is larger than the sum of its proper divisors (7307491).

226531229 is an equidigital number, since it uses as much as digits as its factorization.

226531229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307490.

The product of its digits is 12960, while the sum is 32.

The square root of 226531229 is about 15050.9544215641. The cubic root of 226531229 is about 609.5968212787.

The spelling of 226531229 in words is "two hundred twenty-six million, five hundred thirty-one thousand, two hundred twenty-nine".