229291089 has 4 divisors (see below), whose sum is σ = 305721456. Its totient is φ = 152860724.

The previous prime is 229291063. The next prime is 229291123. The reversal of 229291089 is 980192922.

It is a happy number.

229291089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 229291089 - 2¹⁹ = 228766801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229291089.

It is not an unprimeable number, because it can be changed into a prime (229291039) 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, 38215179 + ... + 38215184.

It is an arithmetic number, because the mean of its divisors is an integer number (76430364).

Almost surely, 2^229291089 is an apocalyptic number.

It is an amenable number.

229291089 is a deficient number, since it is larger than the sum of its proper divisors (76430367).

229291089 is an equidigital number, since it uses as much as digits as its factorization.

229291089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76430366.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 229291089 is about 15142.3607472547. The cubic root of 229291089 is about 612.0624348922.

The spelling of 229291089 in words is "two hundred twenty-nine million, two hundred ninety-one thousand, eighty-nine".