229078668 has 192 divisors, whose sum is σ = 707732480. Its totient is φ = 55987200.

The previous prime is 229078637. The next prime is 229078669. The reversal of 229078668 is 866870922.

It is a happy number.

229078668 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×229078668² = 104954072265308448, which contains 22 as substring.

229078668 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (229078669) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1265538 + ... + 1265718.

Almost surely, 2^229078668 is an apocalyptic number.

229078668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229078668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353866240).

229078668 is an abundant number, since it is smaller than the sum of its proper divisors (478653812).

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

229078668 is a wasteful number, since it uses less digits than its factorization.

229078668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 229078668 is about 15135.3449911127. The cubic root of 229078668 is about 611.8733665113.

The spelling of 229078668 in words is "two hundred twenty-nine million, seventy-eight thousand, six hundred sixty-eight".