229672109 has 4 divisors (see below), whose sum is σ = 229791900. Its totient is φ = 229552320.

The previous prime is 229672103. The next prime is 229672111. The reversal of 229672109 is 901276922.

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

It can be written as a sum of positive squares in 2 ways, for example, as 99940009 + 129732100 = 9997^2 + 11390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229672109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229672103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56972 + ... + 60869.

It is an arithmetic number, because the mean of its divisors is an integer number (57447975).

Almost surely, 2^229672109 is an apocalyptic number.

It is an amenable number.

229672109 is a deficient number, since it is larger than the sum of its proper divisors (119791).

229672109 is a wasteful number, since it uses less digits than its factorization.

229672109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119790.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 229672109 is about 15154.9367864073. The cubic root of 229672109 is about 612.4012748835.

It can be divided in two parts, 22967 and 2109, that multiplied together give a triangular number (48437403 = T₉₈₄₂).

The spelling of 229672109 in words is "two hundred twenty-nine million, six hundred seventy-two thousand, one hundred nine".