229397939815 has 16 divisors (see below), whose sum is σ = 300314026656. Its totient is φ = 166828604800.

The previous prime is 229397939807. The next prime is 229397939851. The reversal of 229397939815 is 518939793922.

It is not a de Polignac number, because 229397939815 - 2³ = 229397939807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812129 + ... + 1934581.

It is an arithmetic number, because the mean of its divisors is an integer number (18769626666).

Almost surely, 2^229397939815 is an apocalyptic number.

229397939815 is a deficient number, since it is larger than the sum of its proper divisors (70916086841).

229397939815 is a wasteful number, since it uses less digits than its factorization.

229397939815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156530.

The product of its digits is 66134880, while the sum is 67.

The spelling of 229397939815 in words is "two hundred twenty-nine billion, three hundred ninety-seven million, nine hundred thirty-nine thousand, eight hundred fifteen".