229493889 has 6 divisors (see below), whose sum is σ = 331491186. Its totient is φ = 152995920.

The previous prime is 229493879. The next prime is 229493909. The reversal of 229493889 is 988394922.

It is a happy number.

229493889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 116964225 + 112529664 = 10815^2 + 10608^2 .

It is not a de Polignac number, because 229493889 - 2⁵ = 229493857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229493879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12749652 + ... + 12749669.

It is an arithmetic number, because the mean of its divisors is an integer number (55248531).

Almost surely, 2^229493889 is an apocalyptic number.

It is an amenable number.

229493889 is a deficient number, since it is larger than the sum of its proper divisors (101997297).

229493889 is a wasteful number, since it uses less digits than its factorization.

229493889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25499327 (or 25499324 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 229493889 is about 15149.0557131460. The cubic root of 229493889 is about 612.2428310358.

The spelling of 229493889 in words is "two hundred twenty-nine million, four hundred ninety-three thousand, eight hundred eighty-nine".