142022322 has 112 divisors (see below), whose sum is σ = 352558080. Its totient is φ = 42620256.

The previous prime is 142022299. The next prime is 142022333. The reversal of 142022322 is 223220241.

142022322 is a `hidden beast` number, since 1 + 420 + 223 + 22 = 666.

142022322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 142022295 and 142022304.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1118223 + ... + 1118349.

It is an arithmetic number, because the mean of its divisors is an integer number (3147840).

Almost surely, 2^142022322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142022322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176279040).

142022322 is an abundant number, since it is smaller than the sum of its proper divisors (210535758).

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

142022322 is a wasteful number, since it uses less digits than its factorization.

142022322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142022322 is about 11917.3118613217. The cubic root of 142022322 is about 521.7376803275.

Adding to 142022322 its reverse (223220241), we get a palindrome (365242563).

The spelling of 142022322 in words is "one hundred forty-two million, twenty-two thousand, three hundred twenty-two".