229222144 has 36 divisors (see below), whose sum is σ = 468730080. Its totient is φ = 111810560.

The previous prime is 229222127. The next prime is 229222157. The reversal of 229222144 is 441222922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424 + ... + 21415.

It is an arithmetic number, because the mean of its divisors is an integer number (13020280).

Almost surely, 2^229222144 is an apocalyptic number.

It is an amenable number.

229222144 is an abundant number, since it is smaller than the sum of its proper divisors (239507936).

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

229222144 is an equidigital number, since it uses as much as digits as its factorization.

229222144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21896 (or 21882 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 229222144 is about 15140.0840156189. The cubic root of 229222144 is about 612.0010822029.

The spelling of 229222144 in words is "two hundred twenty-nine million, two hundred twenty-two thousand, one hundred forty-four".