229813693 has 4 divisors (see below), whose sum is σ = 231568128. Its totient is φ = 228059260.

The previous prime is 229813687. The next prime is 229813711. The reversal of 229813693 is 396318922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229813693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229813613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877021 + ... + 877282.

It is an arithmetic number, because the mean of its divisors is an integer number (57892032).

Almost surely, 2^229813693 is an apocalyptic number.

It is an amenable number.

229813693 is a deficient number, since it is larger than the sum of its proper divisors (1754435).

229813693 is a wasteful number, since it uses less digits than its factorization.

229813693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754434.

The product of its digits is 139968, while the sum is 43.

The square root of 229813693 is about 15159.6072838316. The cubic root of 229813693 is about 612.5270896251.

The spelling of 229813693 in words is "two hundred twenty-nine million, eight hundred thirteen thousand, six hundred ninety-three".