142200222 has 16 divisors (see below), whose sum is σ = 286147200. Its totient is φ = 47108952.

The previous prime is 142200221. The next prime is 142200229. The reversal of 142200222 is 222002241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142200221) 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, 71722 + ... + 73677.

It is an arithmetic number, because the mean of its divisors is an integer number (17884200).

Almost surely, 2^142200222 is an apocalyptic number.

142200222 is an abundant number, since it is smaller than the sum of its proper divisors (143946978).

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

142200222 is a wasteful number, since it uses less digits than its factorization.

142200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145567.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 142200222 is about 11924.7734569676. The cubic root of 142200222 is about 521.9554357810.

Adding to 142200222 its reverse (222002241), we get a palindrome (364202463).

The spelling of 142200222 in words is "one hundred forty-two million, two hundred thousand, two hundred twenty-two".