229443078 has 16 divisors (see below), whose sum is σ = 478838016. Its totient is φ = 73155720.

The previous prime is 229443077. The next prime is 229443091. The reversal of 229443078 is 870344922.

It is a super-2 number, since 2×229443078² = 105288252084228168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229443073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831178 + ... + 831453.

It is an arithmetic number, because the mean of its divisors is an integer number (29927376).

Almost surely, 2^229443078 is an apocalyptic number.

229443078 is an abundant number, since it is smaller than the sum of its proper divisors (249394938).

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

229443078 is a wasteful number, since it uses less digits than its factorization.

229443078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662659.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 229443078 is about 15147.3785850886. The cubic root of 229443078 is about 612.1976432434.

The spelling of 229443078 in words is "two hundred twenty-nine million, four hundred forty-three thousand, seventy-eight".