229613819 has 4 divisors (see below), whose sum is σ = 229758840. Its totient is φ = 229468800.

The previous prime is 229613809. The next prime is 229613831. The reversal of 229613819 is 918316922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229613819 is a prime.

It is a super-2 number, since 2×229613819² = 105445011751529522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229613809) 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, 70109 + ... + 73310.

It is an arithmetic number, because the mean of its divisors is an integer number (57439710).

Almost surely, 2^229613819 is an apocalyptic number.

229613819 is a deficient number, since it is larger than the sum of its proper divisors (145021).

229613819 is a wasteful number, since it uses less digits than its factorization.

229613819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145020.

The product of its digits is 46656, while the sum is 41.

The square root of 229613819 is about 15153.0135286682. The cubic root of 229613819 is about 612.3494620464.

The spelling of 229613819 in words is "two hundred twenty-nine million, six hundred thirteen thousand, eight hundred nineteen".