142204221422 has 8 divisors (see below), whose sum is σ = 216490008936. Its totient is φ = 70040885112.

The previous prime is 142204221413. The next prime is 142204221443. The reversal of 142204221422 is 224122402241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 142204221391 and 142204221400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530612633 + ... + 530612900.

It is an arithmetic number, because the mean of its divisors is an integer number (27061251117).

Almost surely, 2^142204221422 is an apocalyptic number.

142204221422 is a deficient number, since it is larger than the sum of its proper divisors (74285787514).

142204221422 is a wasteful number, since it uses less digits than its factorization.

142204221422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061225602.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 142204221422 its reverse (224122402241), we get a palindrome (366326623663).

The spelling of 142204221422 in words is "one hundred forty-two billion, two hundred four million, two hundred twenty-one thousand, four hundred twenty-two".