222129260 has 24 divisors (see below), whose sum is σ = 481520256. Its totient is φ = 85985280.

The previous prime is 222129253. The next prime is 222129263. The reversal of 222129260 is 62921222.

222129260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222129263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178517 + ... + 179756.

It is an arithmetic number, because the mean of its divisors is an integer number (20063344).

Almost surely, 2^222129260 is an apocalyptic number.

222129260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222129260 is an abundant number, since it is smaller than the sum of its proper divisors (259390996).

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

222129260 is a wasteful number, since it uses less digits than its factorization.

222129260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358313 (or 358311 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 222129260 is about 14904.0014761137. The cubic root of 222129260 is about 605.6223907128.

The spelling of 222129260 in words is "two hundred twenty-two million, one hundred twenty-nine thousand, two hundred sixty".