2166226612 has 24 divisors (see below), whose sum is σ = 4136711040. Its totient is φ = 984365760.

The previous prime is 2166226583. The next prime is 2166226619.

2166226612 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166226619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269589 + ... + 277507.

It is an arithmetic number, because the mean of its divisors is an integer number (172362960).

Almost surely, 2^2166226612 is an apocalyptic number.

2166226612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2166226612 is a deficient number, since it is larger than the sum of its proper divisors (1970484428).

2166226612 is a wasteful number, since it uses less digits than its factorization.

2166226612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14151 (or 14149 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 2166226612 is about 46542.7396271427. The cubic root of 2166226612 is about 1293.9017361701.

The spelling of 2166226612 in words is "two billion, one hundred sixty-six million, two hundred twenty-six thousand, six hundred twelve".