204022222 has 24 divisors (see below), whose sum is σ = 319658616. Its totient is φ = 97650000.

The previous prime is 204022211. The next prime is 204022223. The reversal of 204022222 is 222220402.

204022222 is a modest number, since divided by 22222 gives 2040 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 204022196 and 204022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204022223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193597 + ... + 194647.

It is an arithmetic number, because the mean of its divisors is an integer number (13319109).

Almost surely, 2^204022222 is an apocalyptic number.

204022222 is a deficient number, since it is larger than the sum of its proper divisors (115636394).

204022222 is a wasteful number, since it uses less digits than its factorization.

204022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 204022222 is about 14283.6347615024. The cubic root of 204022222 is about 588.6979060264.

Adding to 204022222 its reverse (222220402), we get a palindrome (426242624).

The spelling of 204022222 in words is "two hundred four million, twenty-two thousand, two hundred twenty-two".