2122222212022 has 16 divisors (see below), whose sum is σ = 3497710910400. Its totient is φ = 957706556040.

The previous prime is 2122222211999. The next prime is 2122222212041. The reversal of 2122222212022 is 2202122222212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2122222211984 and 2122222212002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346992072 + ... + 346998187.

It is an arithmetic number, because the mean of its divisors is an integer number (218606931900).

Almost surely, 2^{2122222212022} is an apocalyptic number.

2122222212022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2122222212022 is a deficient number, since it is larger than the sum of its proper divisors (1375488698378).

2122222212022 is a wasteful number, since it uses less digits than its factorization.

2122222212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693990411.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 2122222212022 its reverse (2202122222212), we get a palindrome (4324344434234).

The spelling of 2122222212022 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twelve thousand, twenty-two".