142422222 has 16 divisors (see below), whose sum is σ = 285473232. Its totient is φ = 47369280.

The previous prime is 142422191. The next prime is 142422223. The reversal of 142422222 is 222224241.

142422222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

142422222 is a modest number, since divided by 22222 gives 1424 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142422223) 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, 23229 + ... + 28712.

It is an arithmetic number, because the mean of its divisors is an integer number (17842077).

Almost surely, 2^142422222 is an apocalyptic number.

142422222 is an abundant number, since it is smaller than the sum of its proper divisors (143051010).

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

142422222 is a wasteful number, since it uses less digits than its factorization.

142422222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52403.

The product of its digits is 1024, while the sum is 21.

The square root of 142422222 is about 11934.0781797339. The cubic root of 142422222 is about 522.2269165079.

Adding to 142422222 its reverse (222224241), we get a palindrome (364646463).

The spelling of 142422222 in words is "one hundred forty-two million, four hundred twenty-two thousand, two hundred twenty-two".