223729230 has 16 divisors (see below), whose sum is σ = 536950224. Its totient is φ = 59661120.

The previous prime is 223729223. The next prime is 223729279. The reversal of 223729230 is 32927322.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 7457641 = 223729230 / (2 + 2 + 3 + 7 + 2 + 9 + 2 + 3 + 0).

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, 3728791 + ... + 3728850.

It is an arithmetic number, because the mean of its divisors is an integer number (33559389).

Almost surely, 2^223729230 is an apocalyptic number.

223729230 is an abundant number, since it is smaller than the sum of its proper divisors (313220994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223729230 is a wasteful number, since it uses less digits than its factorization.

223729230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457651.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 223729230 is about 14957.5810210074. The cubic root of 223729230 is about 607.0729882097.

It can be divided in two parts, 2237292 and 30, that added together give a palindrome (2237322).

The spelling of 223729230 in words is "two hundred twenty-three million, seven hundred twenty-nine thousand, two hundred thirty".