1142421422 has 16 divisors (see below), whose sum is σ = 1740880512. Its totient is φ = 562144440.

The previous prime is 1142421421. The next prime is 1142421439. The reversal of 1142421422 is 2241242411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142421421) 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, 160397 + ... + 167367.

It is an arithmetic number, because the mean of its divisors is an integer number (108805032).

Almost surely, 2^1142421422 is an apocalyptic number.

1142421422 is a deficient number, since it is larger than the sum of its proper divisors (598459090).

1142421422 is a wasteful number, since it uses less digits than its factorization.

1142421422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8263.

The product of its digits is 1024, while the sum is 23.

The square root of 1142421422 is about 33799.7251763975. The cubic root of 1142421422 is about 1045.3830306084.

Adding to 1142421422 its reverse (2241242411), we get a palindrome (3383663833).

The spelling of 1142421422 in words is "one billion, one hundred forty-two million, four hundred twenty-one thousand, four hundred twenty-two".