222210022 has 4 divisors (see below), whose sum is σ = 333315036. Its totient is φ = 111105010.

The previous prime is 222210019. The next prime is 222210041. The reversal of 222210022 is 220012222.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 222209984 and 222210011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55552504 + ... + 55552507.

It is an arithmetic number, because the mean of its divisors is an integer number (83328759).

Almost surely, 2^222210022 is an apocalyptic number.

222210022 is a deficient number, since it is larger than the sum of its proper divisors (111105014).

222210022 is a wasteful number, since it uses less digits than its factorization.

222210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111105013.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 222210022 is about 14906.7106364885. The cubic root of 222210022 is about 605.6957794370.

Adding to 222210022 its reverse (220012222), we get a palindrome (442222244).

The spelling of 222210022 in words is "two hundred twenty-two million, two hundred ten thousand, twenty-two".