229290372 has 96 divisors (see below), whose sum is σ = 609996800. Its totient is φ = 74462976.

The previous prime is 229290371. The next prime is 229290379. The reversal of 229290372 is 273092922.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (229290371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1001154 + ... + 1001382.

Almost surely, 2^229290372 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 229290372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304998400).

229290372 is an abundant number, since it is smaller than the sum of its proper divisors (380706428).

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

229290372 is a wasteful number, since it uses less digits than its factorization.

229290372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 434 counting only the distinct ones).

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

The square root of 229290372 is about 15142.3370719318. The cubic root of 229290372 is about 612.0617969125.

The spelling of 229290372 in words is "two hundred twenty-nine million, two hundred ninety thousand, three hundred seventy-two".