2222121022 has 32 divisors (see below), whose sum is σ = 3880062720. Its totient is φ = 943773120.

The previous prime is 2222121007. The next prime is 2222121053. The reversal of 2222121022 is 2201212222.

It is a junction number, because it is equal to n+sod(n) for n = 2222120987 and 2222121005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5898 + ... + 66925.

It is an arithmetic number, because the mean of its divisors is an integer number (121251960).

Almost surely, 2^2222121022 is an apocalyptic number.

2222121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2222121022 is a deficient number, since it is larger than the sum of its proper divisors (1657941698).

2222121022 is a wasteful number, since it uses less digits than its factorization.

2222121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72928.

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

The square root of 2222121022 is about 47139.3786764314. The cubic root of 2222121022 is about 1304.9360708151.

Adding to 2222121022 its reverse (2201212222), we get a palindrome (4423333244).

The spelling of 2222121022 in words is "two billion, two hundred twenty-two million, one hundred twenty-one thousand, twenty-two".