2122222022 has 4 divisors (see below), whose sum is σ = 3183333036. Its totient is φ = 1061111010.

The previous prime is 2122221989. The next prime is 2122222027. The reversal of 2122222022 is 2202222212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122222027) by changing a digit.

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 as a sum of consecutive naturals, namely, 530555504 + ... + 530555507.

It is an arithmetic number, because the mean of its divisors is an integer number (795833259).

Almost surely, 2^2122222022 is an apocalyptic number.

2122222022 is a deficient number, since it is larger than the sum of its proper divisors (1061111014).

2122222022 is a wasteful number, since it uses less digits than its factorization.

2122222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061111013.

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

The square root of 2122222022 is about 46067.5810304817. The cubic root of 2122222022 is about 1285.0803185777.

Adding to 2122222022 its reverse (2202222212), we get a palindrome (4324444234).

The spelling of 2122222022 in words is "two billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty-two".