342424221 has 8 divisors (see below), whose sum is σ = 460998720. Its totient is φ = 226066272.

The previous prime is 342424211. The next prime is 342424223. The reversal of 342424221 is 122424243.

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

It is not a de Polignac number, because 342424221 - 2⁵ = 342424189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 342424191 and 342424200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342424223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553776 + ... + 554393.

It is an arithmetic number, because the mean of its divisors is an integer number (57624840).

Almost surely, 2^342424221 is an apocalyptic number.

It is an amenable number.

342424221 is a deficient number, since it is larger than the sum of its proper divisors (118574499).

342424221 is a wasteful number, since it uses less digits than its factorization.

342424221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108275.

The product of its digits is 3072, while the sum is 24.

The square root of 342424221 is about 18504.7080765950. The cubic root of 342424221 is about 699.6080942319.

Adding to 342424221 its reverse (122424243), we get a palindrome (464848464).

The spelling of 342424221 in words is "three hundred forty-two million, four hundred twenty-four thousand, two hundred twenty-one".