2222201616 has 20 divisors (see below), whose sum is σ = 5740687632. Its totient is φ = 740733856.

The previous prime is 2222201549. The next prime is 2222201621. The reversal of 2222201616 is 6161022222.

It is a happy number.

It is a super-2 number, since 2×2222201616² = 9876360044306022912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23147886 + ... + 23147981.

Almost surely, 2^2222201616 is an apocalyptic number.

It is an amenable number.

2222201616 is an abundant number, since it is smaller than the sum of its proper divisors (3518486016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222201616 is a wasteful number, since it uses less digits than its factorization.

2222201616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46295878 (or 46295872 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2222201616 is about 47140.2335166045. The cubic root of 2222201616 is about 1304.9518468455.

Adding to 2222201616 its reverse (6161022222), we get a palindrome (8383223838).

The spelling of 2222201616 in words is "two billion, two hundred twenty-two million, two hundred one thousand, six hundred sixteen".