229655973 has 4 divisors (see below), whose sum is σ = 306207968. Its totient is φ = 153103980.

The previous prime is 229655963. The next prime is 229655999. The reversal of 229655973 is 379556922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 229655973 - 2⁴ = 229655957 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 (229655903) 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, 38275993 + ... + 38275998.

It is an arithmetic number, because the mean of its divisors is an integer number (76551992).

Almost surely, 2^229655973 is an apocalyptic number.

It is an amenable number.

229655973 is a deficient number, since it is larger than the sum of its proper divisors (76551995).

229655973 is an equidigital number, since it uses as much as digits as its factorization.

229655973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76551994.

The product of its digits is 1020600, while the sum is 48.

The square root of 229655973 is about 15154.4044092798. The cubic root of 229655973 is about 612.3869327873.

The spelling of 229655973 in words is "two hundred twenty-nine million, six hundred fifty-five thousand, nine hundred seventy-three".