229278844 has 12 divisors (see below), whose sum is σ = 403276104. Its totient is φ = 114057104.

The previous prime is 229278839. The next prime is 229278857. The reversal of 229278844 is 448872922.

It is a happy number.

229278844 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

229278844 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 229278794 and 229278803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144694 + ... + 146269.

It is an arithmetic number, because the mean of its divisors is an integer number (33606342).

Almost surely, 2^229278844 is an apocalyptic number.

It is an amenable number.

229278844 is a deficient number, since it is larger than the sum of its proper divisors (173997260).

229278844 is a wasteful number, since it uses less digits than its factorization.

229278844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291164 (or 291162 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 229278844 is about 15141.9564125644. The cubic root of 229278844 is about 612.0515392254.

The spelling of 229278844 in words is "two hundred twenty-nine million, two hundred seventy-eight thousand, eight hundred forty-four".