229733961 has 4 divisors (see below), whose sum is σ = 306311952. Its totient is φ = 153155972.

The previous prime is 229733953. The next prime is 229733989. The reversal of 229733961 is 169337922.

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 a cyclic number.

It is not a de Polignac number, because 229733961 - 2³ = 229733953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229733941) 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, 38288991 + ... + 38288996.

It is an arithmetic number, because the mean of its divisors is an integer number (76577988).

Almost surely, 2^229733961 is an apocalyptic number.

It is an amenable number.

229733961 is a deficient number, since it is larger than the sum of its proper divisors (76577991).

229733961 is an equidigital number, since it uses as much as digits as its factorization.

229733961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76577990.

The product of its digits is 122472, while the sum is 42.

The square root of 229733961 is about 15156.9773041989. The cubic root of 229733961 is about 612.4562443267.

The spelling of 229733961 in words is "two hundred twenty-nine million, seven hundred thirty-three thousand, nine hundred sixty-one".