229613019 has 4 divisors (see below), whose sum is σ = 306150696. Its totient is φ = 153075344.

The previous prime is 229613011. The next prime is 229613051. The reversal of 229613019 is 910316922.

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

It is a cyclic number.

It is not a de Polignac number, because 229613019 - 2³ = 229613011 is a prime.

It is a super-2 number, since 2×229613019² = 105444276988588722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229613011) 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, 38268834 + ... + 38268839.

It is an arithmetic number, because the mean of its divisors is an integer number (76537674).

Almost surely, 2^229613019 is an apocalyptic number.

229613019 is a deficient number, since it is larger than the sum of its proper divisors (76537677).

229613019 is an equidigital number, since it uses as much as digits as its factorization.

229613019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76537676.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 229613019 is about 15152.9871312557. The cubic root of 229613019 is about 612.3487508811.

The spelling of 229613019 in words is "two hundred twenty-nine million, six hundred thirteen thousand, nineteen".