226329499081 has 63 divisors (see below), whose sum is σ = 282549436551. Its totient is φ = 181268738784.

The previous prime is 226329499063. The next prime is 226329499087. The reversal of 226329499081 is 180994923622.

The square root of 226329499081 is 475741.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 128475649225 + 97853849856 = 358435^2 + 312816^2 .

It is not a de Polignac number, because 226329499081 - 2⁵ = 226329499049 is a prime.

It is a super-2 number, since 2×226329499081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226329499087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 3100404061 + ... + 3100404133.

Almost surely, 2^226329499081 is an apocalyptic number.

226329499081 is the 475741-st square number.

226329499081 is the 237871-st centered octagonal number.

It is an amenable number.

226329499081 is a deficient number, since it is larger than the sum of its proper divisors (56219937470).

226329499081 is an frugal number, since it uses more digits than its factorization.

226329499081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

It can be divided in two parts, 226329 and 499081, that added together give a triangular number (725410 = T₁₂₀₄).

The spelling of 226329499081 in words is "two hundred twenty-six billion, three hundred twenty-nine million, four hundred ninety-nine thousand, eighty-one".