1142224244 has 12 divisors (see below), whose sum is σ = 2284448544. Its totient is φ = 489524664.

The previous prime is 1142224231. The next prime is 1142224283. The reversal of 1142224244 is 4424222411.

It is a happy number.

1142224244 is an admirable number.

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

It is a congruent number.

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, 20396834 + ... + 20396889.

It is an arithmetic number, because the mean of its divisors is an integer number (190370712).

Almost surely, 2^1142224244 is an apocalyptic number.

1142224244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1142224244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1142224244 is a wasteful number, since it uses less digits than its factorization.

1142224244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40793734 (or 40793732 counting only the distinct ones).

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

The square root of 1142224244 is about 33796.8081924906. The cubic root of 1142224244 is about 1045.3228839785.

Adding to 1142224244 its reverse (4424222411), we get a palindrome (5566446655).

The spelling of 1142224244 in words is "one billion, one hundred forty-two million, two hundred twenty-four thousand, two hundred forty-four".