2194444912 has 40 divisors (see below), whose sum is σ = 4640952960. Its totient is φ = 996895680.

The previous prime is 2194444907. The next prime is 2194444937.

It is a happy number.

2194444912 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493933 + ... + 498355.

It is an arithmetic number, because the mean of its divisors is an integer number (116023824).

Almost surely, 2^2194444912 is an apocalyptic number.

2194444912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2194444912 is an abundant number, since it is smaller than the sum of its proper divisors (2446508048).

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

2194444912 is a wasteful number, since it uses less digits than its factorization.

2194444912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7261 (or 7255 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 2194444912 is about 46844.9027323144. The cubic root of 2194444912 is about 1299.4958423759.

The spelling of 2194444912 in words is "two billion, one hundred ninety-four million, four hundred forty-four thousand, nine hundred twelve".