1143422416 has 10 divisors (see below), whose sum is σ = 2215380962. Its totient is φ = 571711200.

The previous prime is 1143422407. The next prime is 1143422443. The reversal of 1143422416 is 6142243411.

It can be written as a sum of positive squares in only one way, i.e., 806332816 + 337089600 = 28396^2 + 18360^2 .

It is a super-2 number, since 2×1143422416² = 2614829642822554112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35731935 + ... + 35731966.

Almost surely, 2^1143422416 is an apocalyptic number.

1143422416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1143422416 is a deficient number, since it is larger than the sum of its proper divisors (1071958546).

1143422416 is an equidigital number, since it uses as much as digits as its factorization.

1143422416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71463909 (or 71463903 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 1143422416 is about 33814.5296581218. The cubic root of 1143422416 is about 1045.6882643407.

Adding to 1143422416 its reverse (6142243411), we get a palindrome (7285665827).

The spelling of 1143422416 in words is "one billion, one hundred forty-three million, four hundred twenty-two thousand, four hundred sixteen".