2211442444 has 12 divisors (see below), whose sum is σ = 4003473600. Its totient is φ = 1067592848.

The previous prime is 2211442439. The next prime is 2211442463. The reversal of 2211442444 is 4442441122.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9531964 + ... + 9532195.

It is an arithmetic number, because the mean of its divisors is an integer number (333622800).

Almost surely, 2^2211442444 is an apocalyptic number.

It is an amenable number.

2211442444 is a deficient number, since it is larger than the sum of its proper divisors (1792031156).

2211442444 is a wasteful number, since it uses less digits than its factorization.

2211442444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19064192 (or 19064190 counting only the distinct ones).

The product of its digits is 8192, while the sum is 28.

The square root of 2211442444 is about 47025.9762684413. The cubic root of 2211442444 is about 1302.8423890044.

Adding to 2211442444 its reverse (4442441122), we get a palindrome (6653883566).

The spelling of 2211442444 in words is "two billion, two hundred eleven million, four hundred forty-two thousand, four hundred forty-four".