342223421 has 8 divisors (see below), whose sum is σ = 362829600. Its totient is φ = 321876720.

The previous prime is 342223381. The next prime is 342223429. The reversal of 342223421 is 124322243.

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

It is not a de Polignac number, because 342223421 - 2¹⁴ = 342207037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342223429) 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, 62150 + ... + 67431.

It is an arithmetic number, because the mean of its divisors is an integer number (45353700).

Almost surely, 2^342223421 is an apocalyptic number.

It is an amenable number.

342223421 is a deficient number, since it is larger than the sum of its proper divisors (20606179).

342223421 is a wasteful number, since it uses less digits than its factorization.

342223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129739.

The product of its digits is 2304, while the sum is 23.

The square root of 342223421 is about 18499.2816347014. The cubic root of 342223421 is about 699.4713157708.

Adding to 342223421 its reverse (124322243), we get a palindrome (466545664).

The spelling of 342223421 in words is "three hundred forty-two million, two hundred twenty-three thousand, four hundred twenty-one".