2202122222 has 4 divisors (see below), whose sum is σ = 3303183336. Its totient is φ = 1101061110.

The previous prime is 2202122213. The next prime is 2202122309. The reversal of 2202122222 is 2222212022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2202122222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550530554 + ... + 550530557.

It is an arithmetic number, because the mean of its divisors is an integer number (825795834).

Almost surely, 2^2202122222 is an apocalyptic number.

2202122222 is a deficient number, since it is larger than the sum of its proper divisors (1101061114).

2202122222 is a wasteful number, since it uses less digits than its factorization.

2202122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101061113.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2202122222 is about 46926.7751076078. The cubic root of 2202122222 is about 1301.0095160538.

Adding to 2202122222 its reverse (2222212022), we get a palindrome (4424334244).

The spelling of 2202122222 in words is "two billion, two hundred two million, one hundred twenty-two thousand, two hundred twenty-two".