342202421 has 8 divisors (see below), whose sum is σ = 373593600. Its totient is φ = 310858240.

The previous prime is 342202417. The next prime is 342202429. The reversal of 342202421 is 124202243.

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

It is not a de Polignac number, because 342202421 - 2² = 342202417 is a prime.

It is a super-2 number, since 2×342202421² = 234204993876522482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342202393 and 342202402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342202429) 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 7 ways as a sum of consecutive naturals, for example, 4460 + ... + 26538.

It is an arithmetic number, because the mean of its divisors is an integer number (46699200).

Almost surely, 2^342202421 is an apocalyptic number.

It is an amenable number.

342202421 is a deficient number, since it is larger than the sum of its proper divisors (31391179).

342202421 is a wasteful number, since it uses less digits than its factorization.

342202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23499.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 342202421 is about 18498.7140363864. The cubic root of 342202421 is about 699.4570081604.

Adding to 342202421 its reverse (124202243), we get a palindrome (466404664).

The spelling of 342202421 in words is "three hundred forty-two million, two hundred two thousand, four hundred twenty-one".