1143201422 has 16 divisors (see below), whose sum is σ = 1885427712. Its totient is φ = 515544120.

The previous prime is 1143201421. The next prime is 1143201439. The reversal of 1143201422 is 2241023411.

It is a junction number, because it is equal to n+sod(n) for n = 1143201394 and 1143201403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143201421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201788 + ... + 207375.

It is an arithmetic number, because the mean of its divisors is an integer number (117839232).

Almost surely, 2^1143201422 is an apocalyptic number.

1143201422 is a deficient number, since it is larger than the sum of its proper divisors (742226290).

1143201422 is a wasteful number, since it uses less digits than its factorization.

1143201422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409303.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1143201422 is about 33811.2617629097. The cubic root of 1143201422 is about 1045.6208918286.

Adding to 1143201422 its reverse (2241023411), we get a palindrome (3384224833).

The spelling of 1143201422 in words is "one billion, one hundred forty-three million, two hundred one thousand, four hundred twenty-two".