222002226 has 24 divisors (see below), whose sum is σ = 481847184. Its totient is φ = 73871160.

The previous prime is 222002219. The next prime is 222002227. The reversal of 222002226 is 622200222.

222002226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222002199 and 222002208.

It is not an unprimeable number, because it can be changed into a prime (222002227) 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, 61 + ... + 21071.

It is an arithmetic number, because the mean of its divisors is an integer number (20076966).

Almost surely, 2^222002226 is an apocalyptic number.

222002226 is an abundant number, since it is smaller than the sum of its proper divisors (259844958).

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

222002226 is a wasteful number, since it uses less digits than its factorization.

222002226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21606 (or 21603 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222002226 is about 14899.7391252330. The cubic root of 222002226 is about 605.5069184490.

Adding to 222002226 its reverse (622200222), we get a palindrome (844202448).

The spelling of 222002226 in words is "two hundred twenty-two million, two thousand, two hundred twenty-six".