342440224 has 60 divisors (see below), whose sum is σ = 786672054. Its totient is φ = 146727168.

The previous prime is 342440221. The next prime is 342440233. The reversal of 342440224 is 422044243.

It can be written as a sum of positive squares in only one way, i.e., 264647824 + 77792400 = 16268^2 + 8820^2 .

It is not an unprimeable number, because it can be changed into a prime (342440221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 74604 + ... + 79060.

Almost surely, 2^342440224 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 342440224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393336027).

342440224 is an abundant number, since it is smaller than the sum of its proper divisors (444231830).

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

342440224 is an frugal number, since it uses more digits than its factorization.

342440224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495 (or 4466 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 342440224 is about 18505.1404750140. The cubic root of 342440224 is about 699.6189926568.

Adding to 342440224 its reverse (422044243), we get a palindrome (764484467).

The spelling of 342440224 in words is "three hundred forty-two million, four hundred forty thousand, two hundred twenty-four".