226530729 has 16 divisors (see below), whose sum is σ = 355343040. Its totient is φ = 142136640.

The previous prime is 226530727. The next prime is 226530739. The reversal of 226530729 is 927035622.

It is not a de Polignac number, because 226530729 - 2¹ = 226530727 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 226530693 and 226530702.

It is not an unprimeable number, because it can be changed into a prime (226530727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246307 + ... + 247224.

It is an arithmetic number, because the mean of its divisors is an integer number (22208940).

Almost surely, 2^226530729 is an apocalyptic number.

It is an amenable number.

226530729 is a deficient number, since it is larger than the sum of its proper divisors (128812311).

226530729 is a wasteful number, since it uses less digits than its factorization.

226530729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493557 (or 493551 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 226530729 is about 15050.9378113126. The cubic root of 226530729 is about 609.5963727774.

The spelling of 226530729 in words is "two hundred twenty-six million, five hundred thirty thousand, seven hundred twenty-nine".