342221922 has 80 divisors (see below), whose sum is σ = 914550912. Its totient is φ = 93519360.

The previous prime is 342221921. The next prime is 342221933. The reversal of 342221922 is 229122243.

342221922 is a `hidden beast` number, since 3 + 422 + 219 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342221921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19522 + ... + 32642.

Almost surely, 2^342221922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342221922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457275456).

342221922 is an abundant number, since it is smaller than the sum of its proper divisors (572328990).

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

342221922 is a wasteful number, since it uses less digits than its factorization.

342221922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13165 (or 13156 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 342221922 is about 18499.2411195703. The cubic root of 342221922 is about 699.4702944993.

The spelling of 342221922 in words is "three hundred forty-two million, two hundred twenty-one thousand, nine hundred twenty-two".