229190393 has 8 divisors (see below), whose sum is σ = 237347400. Its totient is φ = 221050368.

The previous prime is 229190383. The next prime is 229190411. The reversal of 229190393 is 393091922.

It can be written as a sum of positive squares in 4 ways, for example, as 9320809 + 219869584 = 3053^2 + 14828^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 229190393 - 2²⁴ = 212413177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229190363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27305 + ... + 34697.

It is an arithmetic number, because the mean of its divisors is an integer number (29668425).

Almost surely, 2^229190393 is an apocalyptic number.

It is an amenable number.

229190393 is a deficient number, since it is larger than the sum of its proper divisors (8157007).

229190393 is a wasteful number, since it uses less digits than its factorization.

229190393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8491.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 229190393 is about 15139.0354052033. The cubic root of 229190393 is about 611.9728235259.

The spelling of 229190393 in words is "two hundred twenty-nine million, one hundred ninety thousand, three hundred ninety-three".