2226681616 has 40 divisors (see below), whose sum is σ = 4349268504. Its totient is φ = 1104322560.

The previous prime is 2226681601. The next prime is 2226681619. The reversal of 2226681616 is 6161866222.

It can be written as a sum of positive squares in 4 ways, for example, as 937584400 + 1289097216 = 30620^2 + 35904^2 .

It is a super-2 number, since 2×2226681616² = 9916222038064742912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2226681619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1829040 + ... + 1830256.

Almost surely, 2^2226681616 is an apocalyptic number.

It is an amenable number.

2226681616 is a deficient number, since it is larger than the sum of its proper divisors (2122586888).

2226681616 is a wasteful number, since it uses less digits than its factorization.

2226681616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059 (or 2053 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 2226681616 is about 47187.7273875316. The cubic root of 2226681616 is about 1305.8281939711.

The spelling of 2226681616 in words is "two billion, two hundred twenty-six million, six hundred eighty-one thousand, six hundred sixteen".