1143101222 has 4 divisors (see below), whose sum is σ = 1714651836. Its totient is φ = 571550610.

The previous prime is 1143101213. The next prime is 1143101227. The reversal of 1143101222 is 2221013411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2221013411 = 103 ⋅21563237.

It is a self number, because there is not a number n which added to its sum of digits gives 1143101222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143101227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285775304 + ... + 285775307.

It is an arithmetic number, because the mean of its divisors is an integer number (428662959).

Almost surely, 2^1143101222 is an apocalyptic number.

1143101222 is a deficient number, since it is larger than the sum of its proper divisors (571550614).

1143101222 is an equidigital number, since it uses as much as digits as its factorization.

1143101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571550613.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1143101222 is about 33809.7799756224. The cubic root of 1143101222 is about 1045.5903418682.

Adding to 1143101222 its reverse (2221013411), we get a palindrome (3364114633).

The spelling of 1143101222 in words is "one billion, one hundred forty-three million, one hundred one thousand, two hundred twenty-two".