142322422 has 16 divisors (see below), whose sum is σ = 233118144. Its totient is φ = 64629000.

The previous prime is 142322399. The next prime is 142322443. The reversal of 142322422 is 224223241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 142322393 and 142322402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25897 + ... + 30907.

It is an arithmetic number, because the mean of its divisors is an integer number (14569884).

Almost surely, 2^142322422 is an apocalyptic number.

142322422 is a deficient number, since it is larger than the sum of its proper divisors (90795722).

142322422 is a wasteful number, since it uses less digits than its factorization.

142322422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315.

The product of its digits is 1536, while the sum is 22.

The square root of 142322422 is about 11929.8961437223. The cubic root of 142322422 is about 522.1049074002.

Adding to 142322422 its reverse (224223241), we get a palindrome (366545663).

The spelling of 142322422 in words is "one hundred forty-two million, three hundred twenty-two thousand, four hundred twenty-two".