1140022444 has 24 divisors (see below), whose sum is σ = 2187360000. Its totient is φ = 515584080.

The previous prime is 1140022399. The next prime is 1140022447. The reversal of 1140022444 is 4442200411.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1140022447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 56344 + ... + 73855.

It is an arithmetic number, because the mean of its divisors is an integer number (91140000).

Almost surely, 2^1140022444 is an apocalyptic number.

It is an amenable number.

1140022444 is a deficient number, since it is larger than the sum of its proper divisors (1047337556).

1140022444 is a wasteful number, since it uses less digits than its factorization.

1140022444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130413 (or 130411 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1140022444 is about 33764.2183975877. The cubic root of 1140022444 is about 1044.6507823295.

Adding to 1140022444 its reverse (4442200411), we get a palindrome (5582222855).

The spelling of 1140022444 in words is "one billion, one hundred forty million, twenty-two thousand, four hundred forty-four".