2221212222022 has 16 divisors (see below), whose sum is σ = 3451712602752. Its totient is φ = 1070900026560.

The previous prime is 2221212222001. The next prime is 2221212222049. The reversal of 2221212222022 is 2202222121222.

It is a junction number, because it is equal to n+sod(n) for n = 2221212221984 and 2221212222002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64650703 + ... + 64685050.

It is an arithmetic number, because the mean of its divisors is an integer number (215732037672).

Almost surely, 2^{2221212222022} is an apocalyptic number.

2221212222022 is a deficient number, since it is larger than the sum of its proper divisors (1230500380730).

2221212222022 is a wasteful number, since it uses less digits than its factorization.

2221212222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129336063.

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

Adding to 2221212222022 its reverse (2202222121222), we get a palindrome (4423434343244).

The spelling of 2221212222022 in words is "two trillion, two hundred twenty-one billion, two hundred twelve million, two hundred twenty-two thousand, twenty-two".