2112203444 has 24 divisors (see below), whose sum is σ = 3989926920. Its totient is φ = 972601344.

The previous prime is 2112203441. The next prime is 2112203449. The reversal of 2112203444 is 4443022112.

It can be written as a sum of positive squares in 4 ways, for example, as 157502500 + 1954700944 = 12550^2 + 44212^2 .

It is a super-2 number, since 2×2112203444² = 8922806777690922272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112203441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24389 + ... + 69420.

It is an arithmetic number, because the mean of its divisors is an integer number (166246955).

Almost surely, 2^2112203444 is an apocalyptic number.

It is an amenable number.

2112203444 is a deficient number, since it is larger than the sum of its proper divisors (1877723476).

2112203444 is a wasteful number, since it uses less digits than its factorization.

2112203444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94259 (or 94257 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2112203444 is about 45958.7145599178. The cubic root of 2112203444 is about 1283.0549272422.

Adding to 2112203444 its reverse (4443022112), we get a palindrome (6555225556).

The spelling of 2112203444 in words is "two billion, one hundred twelve million, two hundred three thousand, four hundred forty-four".