1142395422 has 32 divisors (see below), whose sum is σ = 2634308352. Its totient is φ = 323508864.

The previous prime is 1142395411. The next prime is 1142395459. The reversal of 1142395422 is 2245932411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115608 + ... + 125099.

It is an arithmetic number, because the mean of its divisors is an integer number (82322136).

Almost surely, 2^1142395422 is an apocalyptic number.

1142395422 is an abundant number, since it is smaller than the sum of its proper divisors (1491912930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142395422 is a wasteful number, since it uses less digits than its factorization.

1142395422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240832.

The product of its digits is 17280, while the sum is 33.

The square root of 1142395422 is about 33799.3405556972. The cubic root of 1142395422 is about 1045.3751000367.

The spelling of 1142395422 in words is "one billion, one hundred forty-two million, three hundred ninety-five thousand, four hundred twenty-two".