142324222 has 4 divisors (see below), whose sum is σ = 213486336. Its totient is φ = 71162110.

The previous prime is 142324211. The next prime is 142324241. The reversal of 142324222 is 222423241.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 142324193 and 142324202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35581054 + ... + 35581057.

It is an arithmetic number, because the mean of its divisors is an integer number (53371584).

Almost surely, 2^142324222 is an apocalyptic number.

142324222 is a deficient number, since it is larger than the sum of its proper divisors (71162114).

142324222 is an equidigital number, since it uses as much as digits as its factorization.

142324222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71162113.

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

The square root of 142324222 is about 11929.9715842076. The cubic root of 142324222 is about 522.1071084703.

Adding to 142324222 its reverse (222423241), we get a palindrome (364747463).

The spelling of 142324222 in words is "one hundred forty-two million, three hundred twenty-four thousand, two hundred twenty-two".