229507019 has 4 divisors (see below), whose sum is σ = 262293744. Its totient is φ = 196720296.

The previous prime is 229507001. The next prime is 229507027. The reversal of 229507019 is 910705922.

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 229507019 - 2¹⁶ = 229441483 is a prime.

It is a super-2 number, since 2×229507019² = 105346943540532722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 229507019.

It is not an unprimeable number, because it can be changed into a prime (229507079) 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, 16393352 + ... + 16393365.

It is an arithmetic number, because the mean of its divisors is an integer number (65573436).

Almost surely, 2^229507019 is an apocalyptic number.

229507019 is a deficient number, since it is larger than the sum of its proper divisors (32786725).

229507019 is an equidigital number, since it uses as much as digits as its factorization.

229507019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32786724.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 229507019 is about 15149.4890672920. The cubic root of 229507019 is about 612.2545068661.

The spelling of 229507019 in words is "two hundred twenty-nine million, five hundred seven thousand, nineteen".