2221212022 has 16 divisors (see below), whose sum is σ = 3450807360. Its totient is φ = 1071034048.

The previous prime is 2221212013. The next prime is 2221212041. The reversal of 2221212022 is 2202121222.

It is a super-3 number, since 3×2221212022³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221211987 and 2221212005.

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, 27363 + ... + 72049.

It is an arithmetic number, because the mean of its divisors is an integer number (215675460).

Almost surely, 2^2221212022 is an apocalyptic number.

2221212022 is a deficient number, since it is larger than the sum of its proper divisors (1229595338).

2221212022 is a wasteful number, since it uses less digits than its factorization.

2221212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45575.

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

The square root of 2221212022 is about 47129.7360697044. The cubic root of 2221212022 is about 1304.7581104104.

Adding to 2221212022 its reverse (2202121222), we get a palindrome (4423333244).

The spelling of 2221212022 in words is "two billion, two hundred twenty-one million, two hundred twelve thousand, twenty-two".