229278036 has 24 divisors (see below), whose sum is σ = 576134944. Its totient is φ = 70547040.

The previous prime is 229278019. The next prime is 229278041. The reversal of 229278036 is 630872922.

229278036 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 229277985 and 229278003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734710 + ... + 735021.

Almost surely, 2^229278036 is an apocalyptic number.

229278036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

229278036 is an abundant number, since it is smaller than the sum of its proper divisors (346856908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229278036 is a wasteful number, since it uses less digits than its factorization.

229278036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469751 (or 1469749 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 229278036 is about 15141.9297317086. The cubic root of 229278036 is about 612.0508202490.

The spelling of 229278036 in words is "two hundred twenty-nine million, two hundred seventy-eight thousand, thirty-six".