2244444012 has 24 divisors (see below), whose sum is σ = 5818929200. Its totient is φ = 748147968.

The previous prime is 2244444001. The next prime is 2244444019. The reversal of 2244444012 is 2104444422.

It is a super-2 number, since 2×2244444012² = 10075057846005312288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2244444019) 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, 10390837 + ... + 10391052.

Almost surely, 2^2244444012 is an apocalyptic number.

It is an amenable number.

2244444012 is an abundant number, since it is smaller than the sum of its proper divisors (3574485188).

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

2244444012 is a wasteful number, since it uses less digits than its factorization.

2244444012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20781902 (or 20781894 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 2244444012 is about 47375.5634478367. The cubic root of 2244444012 is about 1309.2912297457.

Adding to 2244444012 its reverse (2104444422), we get a palindrome (4348888434).

The spelling of 2244444012 in words is "two billion, two hundred forty-four million, four hundred forty-four thousand, twelve".