229392072 has 192 divisors, whose sum is σ = 772961280. Its totient is φ = 59844096.

The previous prime is 229392049. The next prime is 229392083. The reversal of 229392072 is 270293922.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1028553 + ... + 1028775.

It is an arithmetic number, because the mean of its divisors is an integer number (4025840).

Almost surely, 2^229392072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229392072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386480640).

229392072 is an abundant number, since it is smaller than the sum of its proper divisors (543569208).

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

229392072 is a wasteful number, since it uses less digits than its factorization.

229392072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 229392072 is about 15145.6948338463. The cubic root of 229392072 is about 612.1522753212.

The spelling of 229392072 in words is "two hundred twenty-nine million, three hundred ninety-two thousand, seventy-two".