1142422213 has 16 divisors (see below), whose sum is σ = 1218672000. Its totient is φ = 1068598080.

The previous prime is 1142422157. The next prime is 1142422217. The reversal of 1142422213 is 3122242411.

It is a cyclic number.

It is not a de Polignac number, because 1142422213 - 2⁹ = 1142421701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142422217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248863 + ... + 253411.

It is an arithmetic number, because the mean of its divisors is an integer number (76167000).

Almost surely, 2^1142422213 is an apocalyptic number.

It is an amenable number.

1142422213 is a deficient number, since it is larger than the sum of its proper divisors (76249787).

1142422213 is a wasteful number, since it uses less digits than its factorization.

1142422213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812.

The product of its digits is 768, while the sum is 22.

The square root of 1142422213 is about 33799.7368776741. The cubic root of 1142422213 is about 1045.3832718789.

Adding to 1142422213 its reverse (3122242411), we get a palindrome (4264664624).

The spelling of 1142422213 in words is "one billion, one hundred forty-two million, four hundred twenty-two thousand, two hundred thirteen".