229820613 has 8 divisors (see below), whose sum is σ = 334284576. Its totient is φ = 139285200.

The previous prime is 229820573. The next prime is 229820659. The reversal of 229820613 is 316028922.

It is a happy number.

229820613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-229820613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 6964261 = 229820613 / (2 + 2 + 9 + 8 + 2 + 0 + 6 + 1 + 3).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229820663) 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, 3482098 + ... + 3482163.

It is an arithmetic number, because the mean of its divisors is an integer number (41785572).

Almost surely, 2^229820613 is an apocalyptic number.

It is an amenable number.

229820613 is a deficient number, since it is larger than the sum of its proper divisors (104463963).

229820613 is a wasteful number, since it uses less digits than its factorization.

229820613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964275.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 229820613 is about 15159.8355202159. The cubic root of 229820613 is about 612.5332375688.

The spelling of 229820613 in words is "two hundred twenty-nine million, eight hundred twenty thousand, six hundred thirteen".