229722084 has 72 divisors (see below), whose sum is σ = 614053440. Its totient is φ = 72211392.

The previous prime is 229722061. The next prime is 229722089. The reversal of 229722084 is 480227922.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229722089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179254 + ... + 180530.

It is an arithmetic number, because the mean of its divisors is an integer number (8528520).

Almost surely, 2^229722084 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 229722084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307026720).

229722084 is an abundant number, since it is smaller than the sum of its proper divisors (384331356).

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

229722084 is a wasteful number, since it uses less digits than its factorization.

229722084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 229722084 is about 15156.5854993795. The cubic root of 229722084 is about 612.4456897006.

The spelling of 229722084 in words is "two hundred twenty-nine million, seven hundred twenty-two thousand, eighty-four".