1143222411 has 32 divisors (see below), whose sum is σ = 1606792000. Its totient is φ = 722234880.

The previous prime is 1143222401. The next prime is 1143222439. The reversal of 1143222411 is 1142223411.

It is not a de Polignac number, because 1143222411 - 2¹⁴ = 1143206027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143222401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 737265 + ... + 738813.

It is an arithmetic number, because the mean of its divisors is an integer number (50212250).

Almost surely, 2^1143222411 is an apocalyptic number.

1143222411 is a deficient number, since it is larger than the sum of its proper divisors (463569589).

1143222411 is a wasteful number, since it uses less digits than its factorization.

1143222411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759.

The product of its digits is 384, while the sum is 21.

The square root of 1143222411 is about 33811.5721462342. The cubic root of 1143222411 is about 1045.6272909350.

Adding to 1143222411 its reverse (1142223411), we get a palindrome (2285445822).

The spelling of 1143222411 in words is "one billion, one hundred forty-three million, two hundred twenty-two thousand, four hundred eleven".