1144442222 has 32 divisors (see below), whose sum is σ = 2145761280. Its totient is φ = 444739680.

The previous prime is 1144442207. The next prime is 1144442239. The reversal of 1144442222 is 2222444411.

It is a happy number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1144442191 and 1144442200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51779 + ... + 70497.

It is an arithmetic number, because the mean of its divisors is an integer number (67055040).

Almost surely, 2^1144442222 is an apocalyptic number.

1144442222 is a deficient number, since it is larger than the sum of its proper divisors (1001319058).

1144442222 is a wasteful number, since it uses less digits than its factorization.

1144442222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19136.

The product of its digits is 4096, while the sum is 26.

The square root of 1144442222 is about 33829.6057026977. The cubic root of 1144442222 is about 1045.9990512880. Note that the first 3 decimals are identical.

Adding to 1144442222 its reverse (2222444411), we get a palindrome (3366886633).

The spelling of 1144442222 in words is "one billion, one hundred forty-four million, four hundred forty-two thousand, two hundred twenty-two".