222101222 has 48 divisors (see below), whose sum is σ = 412328880. Its totient is φ = 89208000.

The previous prime is 222101207. The next prime is 222101233.

222101222 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 222101197 and 222101206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187472 + ... + 188652.

It is an arithmetic number, because the mean of its divisors is an integer number (8590185).

Almost surely, 2^222101222 is an apocalyptic number.

222101222 is a deficient number, since it is larger than the sum of its proper divisors (190227658).

222101222 is a wasteful number, since it uses less digits than its factorization.

222101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 222101222 is about 14903.0608265551. The cubic root of 222101222 is about 605.5969083202.

It can be divided in two parts, 22210 and 1222, that added together give a palindrome (23432).

The spelling of 222101222 in words is "two hundred twenty-two million, one hundred one thousand, two hundred twenty-two".