2202112222 has 4 divisors (see below), whose sum is σ = 3303168336. Its totient is φ = 1101056110.

The previous prime is 2202112219. The next prime is 2202112223. The reversal of 2202112222 is 2222112022.

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

It is a junction number, because it is equal to n+sod(n) for n = 2202112196 and 2202112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202112223) by changing a digit.

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 as a sum of consecutive naturals, namely, 550528054 + ... + 550528057.

It is an arithmetic number, because the mean of its divisors is an integer number (825792084).

Almost surely, 2^2202112222 is an apocalyptic number.

2202112222 is a deficient number, since it is larger than the sum of its proper divisors (1101056114).

2202112222 is a wasteful number, since it uses less digits than its factorization.

2202112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101056113.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2202112222 is about 46926.6685585073. The cubic root of 2202112222 is about 1301.0075467240.

Adding to 2202112222 its reverse (2222112022), we get a palindrome (4424224244).

It can be divided in two parts, 22021 and 12222, that added together give a palindrome (34243).

The spelling of 2202112222 in words is "two billion, two hundred two million, one hundred twelve thousand, two hundred twenty-two".