1143422 has 32 divisors (see below), whose sum is σ = 2115072. Its totient is φ = 453024.

The previous prime is 1143407. The next prime is 1143433. The reversal of 1143422 is 2243411.

It is a self number, because there is not a number n which added to its sum of digits gives 1143422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17033 + ... + 17099.

It is an arithmetic number, because the mean of its divisors is an integer number (66096).

2^1143422 is an apocalyptic number.

1143422 is a deficient number, since it is larger than the sum of its proper divisors (971650).

1143422 is a wasteful number, since it uses less digits than its factorization.

1143422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152.

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

The square root of 1143422 is about 1069.3091227517. The cubic root of 1143422 is about 104.5688137527.

Adding to 1143422 its reverse (2243411), we get a palindrome (3386833).

The spelling of 1143422 in words is "one million, one hundred forty-three thousand, four hundred twenty-two".