142200422 has 16 divisors (see below), whose sum is σ = 262524192. Its totient is φ = 56255040.

The previous prime is 142200407. The next prime is 142200437. The reversal of 142200422 is 224002241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142200407) and next prime (142200437).

It is a self number, because there is not a number n which added to its sum of digits gives 142200422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390479 + ... + 390842.

It is an arithmetic number, because the mean of its divisors is an integer number (16407762).

Almost surely, 2^142200422 is an apocalyptic number.

142200422 is a deficient number, since it is larger than the sum of its proper divisors (120323770).

142200422 is a wasteful number, since it uses less digits than its factorization.

142200422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781343.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 142200422 is about 11924.7818428682. The cubic root of 142200422 is about 521.9556804854.

Adding to 142200422 its reverse (224002241), we get a palindrome (366202663).

The spelling of 142200422 in words is "one hundred forty-two million, two hundred thousand, four hundred twenty-two".