2112244400 has 60 divisors (see below), whose sum is σ = 5799627312. Its totient is φ = 724197120.

The previous prime is 2112244397. The next prime is 2112244451. The reversal of 2112244400 is 44422112.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 in 11 ways as a sum of consecutive naturals, for example, 374387 + ... + 379986.

Almost surely, 2^2112244400 is an apocalyptic number.

2112244400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112244400 is an abundant number, since it is smaller than the sum of its proper divisors (3687382912).

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

2112244400 is a wasteful number, since it uses less digits than its factorization.

2112244400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754398 (or 754387 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2112244400 is about 45959.1601315777. The cubic root of 2112244400 is about 1283.0632200762.

Adding to 2112244400 its reverse (44422112), we get a palindrome (2156666512).

The spelling of 2112244400 in words is "two billion, one hundred twelve million, two hundred forty-four thousand, four hundred".