229399726 has 16 divisors (see below), whose sum is σ = 353246400. Its totient is φ = 111691008.

The previous prime is 229399699. The next prime is 229399763. The reversal of 229399726 is 627993922.

It is a self number, because there is not a number n which added to its sum of digits gives 229399726.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590 + ... + 21478.

It is an arithmetic number, because the mean of its divisors is an integer number (22077900).

Almost surely, 2^229399726 is an apocalyptic number.

229399726 is a deficient number, since it is larger than the sum of its proper divisors (123846674).

229399726 is a wasteful number, since it uses less digits than its factorization.

229399726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20043.

The product of its digits is 734832, while the sum is 49.

The square root of 229399726 is about 15145.9475108030. The cubic root of 229399726 is about 612.1590836957.

The spelling of 229399726 in words is "two hundred twenty-nine million, three hundred ninety-nine thousand, seven hundred twenty-six".