229397922 has 48 divisors (see below), whose sum is σ = 537034680. Its totient is φ = 70350336.

The previous prime is 229397897. The next prime is 229397933. The reversal of 229397922 is 229793922.

229397922 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 4 ways, for example, as 176384961 + 53012961 = 13281^2 + 7281^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77404 + ... + 80312.

Almost surely, 2^229397922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229397922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268517340).

229397922 is an abundant number, since it is smaller than the sum of its proper divisors (307636758).

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

229397922 is a wasteful number, since it uses less digits than its factorization.

229397922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267 (or 3264 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 229397922 is about 15145.8879568020. The cubic root of 229397922 is about 612.1574790180.

The spelling of 229397922 in words is "two hundred twenty-nine million, three hundred ninety-seven thousand, nine hundred twenty-two".