342144220 has 48 divisors (see below), whose sum is σ = 791951328. Its totient is φ = 123125760.

The previous prime is 342144199. The next prime is 342144239. The reversal of 342144220 is 22441243.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 342144191 and 342144200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13324 + ... + 29356.

It is an arithmetic number, because the mean of its divisors is an integer number (16498986).

Almost surely, 2^342144220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342144220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395975664).

342144220 is an abundant number, since it is smaller than the sum of its proper divisors (449807108).

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

342144220 is a wasteful number, since it uses less digits than its factorization.

342144220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16150 (or 16148 counting only the distinct ones).

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

The square root of 342144220 is about 18497.1408601438. The cubic root of 342144220 is about 699.4173518995.

Adding to 342144220 its reverse (22441243), we get a palindrome (364585463).

The spelling of 342144220 in words is "three hundred forty-two million, one hundred forty-four thousand, two hundred twenty".