2221220212022 has 32 divisors (see below), whose sum is σ = 3816630861120. Its totient is φ = 949745940480.

The previous prime is 2221220212009. The next prime is 2221220212033. The reversal of 2221220212022 is 2202120221222.

It is a junction number, because it is equal to n+sod(n) for n = 2221220211985 and 2221220212003.

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, 51720254 + ... + 51763182.

It is an arithmetic number, because the mean of its divisors is an integer number (119269714410).

Almost surely, 2^{2221220212022} is an apocalyptic number.

2221220212022 is a deficient number, since it is larger than the sum of its proper divisors (1595410649098).

2221220212022 is a wasteful number, since it uses less digits than its factorization.

2221220212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51416.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2221220212022 its reverse (2202120221222), we get a palindrome (4423340433244).

The spelling of 2221220212022 in words is "two trillion, two hundred twenty-one billion, two hundred twenty million, two hundred twelve thousand, twenty-two".