1143004022 has 4 divisors (see below), whose sum is σ = 1714506036. Its totient is φ = 571502010.

The previous prime is 1143004019. The next prime is 1143004063. The reversal of 1143004022 is 2204003411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2204003411 = 443 ⋅4975177.

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, 285751004 + ... + 285751007.

It is an arithmetic number, because the mean of its divisors is an integer number (428626509).

Almost surely, 2^1143004022 is an apocalyptic number.

1143004022 is a deficient number, since it is larger than the sum of its proper divisors (571502014).

1143004022 is an equidigital number, since it uses as much as digits as its factorization.

1143004022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571502013.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1143004022 is about 33808.3424911663. The cubic root of 1143004022 is about 1045.5607048713.

Adding to 1143004022 its reverse (2204003411), we get a palindrome (3347007433).

The spelling of 1143004022 in words is "one billion, one hundred forty-three million, four thousand, twenty-two".