2112206464 has 16 divisors (see below), whose sum is σ = 4207911570. Its totient is φ = 1056103168.

The previous prime is 2112206401. The next prime is 2112206479. The reversal of 2112206464 is 4646022112.

It can be written as a sum of positive squares in only one way, i.e., 2042316864 + 69889600 = 45192^2 + 8360^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×2112206464² = 8922832293126766592, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8250679 + ... + 8250934.

Almost surely, 2^2112206464 is an apocalyptic number.

It is an amenable number.

2112206464 is a deficient number, since it is larger than the sum of its proper divisors (2095705106).

2112206464 is an equidigital number, since it uses as much as digits as its factorization.

2112206464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16501627 (or 16501615 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2112206464 is about 45958.7474154812. The cubic root of 2112206464 is about 1283.0555387401.

Adding to 2112206464 its reverse (4646022112), we get a palindrome (6758228576).

The spelling of 2112206464 in words is "two billion, one hundred twelve million, two hundred six thousand, four hundred sixty-four".