342220405 has 8 divisors (see below), whose sum is σ = 410839200. Its totient is φ = 273659856.

The previous prime is 342220393. The next prime is 342220441. The reversal of 342220405 is 504022243.

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

It is a cyclic number.

It is not a de Polignac number, because 342220405 - 2²¹ = 340123253 is a prime.

It is a super-2 number, since 2×342220405² = 234229611196728050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375 + ... + 26164.

It is an arithmetic number, because the mean of its divisors is an integer number (51354900).

Almost surely, 2^342220405 is an apocalyptic number.

It is an amenable number.

342220405 is a deficient number, since it is larger than the sum of its proper divisors (68618795).

342220405 is a wasteful number, since it uses less digits than its factorization.

342220405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29123.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 342220405 is about 18499.2001178429. The cubic root of 342220405 is about 699.4692609614.

Adding to 342220405 its reverse (504022243), we get a palindrome (846242648).

The spelling of 342220405 in words is "three hundred forty-two million, two hundred twenty thousand, four hundred five".