142422214 has 16 divisors (see below), whose sum is σ = 245321280. Its totient is φ = 61329960.

The previous prime is 142422191. The next prime is 142422223. The reversal of 142422214 is 412224241.

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

It is a plaindrome in base 13.

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 7 ways as a sum of consecutive naturals, for example, 169944 + ... + 170779.

It is an arithmetic number, because the mean of its divisors is an integer number (15332580).

Almost surely, 2^142422214 is an apocalyptic number.

142422214 is a deficient number, since it is larger than the sum of its proper divisors (102899066).

142422214 is a wasteful number, since it uses less digits than its factorization.

142422214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340755.

The product of its digits is 1024, while the sum is 22.

The square root of 142422214 is about 11934.0778445593. The cubic root of 142422214 is about 522.2269067299.

Adding to 142422214 its reverse (412224241), we get a palindrome (554646455).

The spelling of 142422214 in words is "one hundred forty-two million, four hundred twenty-two thousand, two hundred fourteen".