1144422012 has 48 divisors (see below), whose sum is σ = 2829808800. Its totient is φ = 359331840.

The previous prime is 1144421977. The next prime is 1144422029. The reversal of 1144422012 is 2102244411.

It is a self number, because there is not a number n which added to its sum of digits gives 1144422012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25837 + ... + 54372.

It is an arithmetic number, because the mean of its divisors is an integer number (58954350).

Almost surely, 2^1144422012 is an apocalyptic number.

1144422012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144422012 is an abundant number, since it is smaller than the sum of its proper divisors (1685386788).

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

1144422012 is a wasteful number, since it uses less digits than its factorization.

1144422012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80286 (or 80284 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1144422012 is about 33829.3069985183. The cubic root of 1144422012 is about 1045.9928940629.

Adding to 1144422012 its reverse (2102244411), we get a palindrome (3246666423).

The spelling of 1144422012 in words is "one billion, one hundred forty-four million, four hundred twenty-two thousand, twelve".