2112216044 has 24 divisors (see below), whose sum is σ = 3827295360. Its totient is φ = 1018769024.

The previous prime is 2112216037. The next prime is 2112216089. The reversal of 2112216044 is 4406122112.

It is a super-2 number, since 2×2112216044² = 8922913233062019872, which contains 22 as substring.

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, 130757 + ... + 146019.

It is an arithmetic number, because the mean of its divisors is an integer number (159470640).

Almost surely, 2^2112216044 is an apocalyptic number.

It is an amenable number.

2112216044 is a deficient number, since it is larger than the sum of its proper divisors (1715079316).

2112216044 is a wasteful number, since it uses less digits than its factorization.

2112216044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16489 (or 16487 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2112216044 is about 45958.8516392653. The cubic root of 2112216044 is about 1283.0574785210.

Adding to 2112216044 its reverse (4406122112), we get a palindrome (6518338156).

The spelling of 2112216044 in words is "two billion, one hundred twelve million, two hundred sixteen thousand, forty-four".