229972092 has 72 divisors (see below), whose sum is σ = 626366160. Its totient is φ = 65479680.

The previous prime is 229972069. The next prime is 229972121. The reversal of 229972092 is 290279922.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 247084 + ... + 248012.

It is an arithmetic number, because the mean of its divisors is an integer number (8699530).

Almost surely, 2^229972092 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 229972092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313183080).

229972092 is an abundant number, since it is smaller than the sum of its proper divisors (396394068).

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

229972092 is a wasteful number, since it uses less digits than its factorization.

229972092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 229972092 is about 15164.8307606778. The cubic root of 229972092 is about 612.6677853260.

The spelling of 229972092 in words is "two hundred twenty-nine million, nine hundred seventy-two thousand, ninety-two".