226729497 has 16 divisors (see below), whose sum is σ = 314418368. Its totient is φ = 145212480.

The previous prime is 226729487. The next prime is 226729499. The reversal of 226729497 is 794927622.

226729497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 226729497 - 2⁸ = 226729241 is a prime.

It is a super-3 number, since 3×226729497³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226729499) 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, 6538 + ... + 22275.

It is an arithmetic number, because the mean of its divisors is an integer number (19651148).

Almost surely, 2^226729497 is an apocalyptic number.

It is an amenable number.

226729497 is a deficient number, since it is larger than the sum of its proper divisors (87688871).

226729497 is a wasteful number, since it uses less digits than its factorization.

226729497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28920.

The product of its digits is 762048, while the sum is 48.

The square root of 226729497 is about 15057.5395400444. The cubic root of 226729497 is about 609.7746161886.

The spelling of 226729497 in words is "two hundred twenty-six million, seven hundred twenty-nine thousand, four hundred ninety-seven".