229222660 has 12 divisors (see below), whose sum is σ = 481367628. Its totient is φ = 91689056.

The previous prime is 229222613. The next prime is 229222663. The reversal of 229222660 is 66222922.

It can be written as a sum of positive squares in 2 ways, for example, as 109495296 + 119727364 = 10464^2 + 10942^2 .

It is not an unprimeable number, because it can be changed into a prime (229222663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5730547 + ... + 5730586.

It is an arithmetic number, because the mean of its divisors is an integer number (40113969).

Almost surely, 2^229222660 is an apocalyptic number.

229222660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229222660 is an abundant number, since it is smaller than the sum of its proper divisors (252144968).

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

229222660 is a wasteful number, since it uses less digits than its factorization.

229222660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11461142 (or 11461140 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 229222660 is about 15140.1010564659. The cubic root of 229222660 is about 612.0015414261.

The spelling of 229222660 in words is "two hundred twenty-nine million, two hundred twenty-two thousand, six hundred sixty".