229577222 has 24 divisors (see below), whose sum is σ = 399304848. Its totient is φ = 96974640.

The previous prime is 229577213. The next prime is 229577233. The reversal of 229577222 is 222775922.

It is a super-2 number, since 2×229577222² = 105411401722474568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68948 + ... + 72200.

It is an arithmetic number, because the mean of its divisors is an integer number (16637702).

Almost surely, 2^229577222 is an apocalyptic number.

229577222 is a deficient number, since it is larger than the sum of its proper divisors (169727626).

229577222 is an equidigital number, since it uses as much as digits as its factorization.

229577222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404 (or 3333 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 229577222 is about 15151.8058989680. The cubic root of 229577222 is about 612.3169272102.

The spelling of 229577222 in words is "two hundred twenty-nine million, five hundred seventy-seven thousand, two hundred twenty-two".