422405342 has 8 divisors (see below), whose sum is σ = 635307816. Its totient is φ = 210636072.

The previous prime is 422405317. The next prime is 422405351. The reversal of 422405342 is 243504224.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282368 + ... + 283859.

It is an arithmetic number, because the mean of its divisors is an integer number (79413477).

Almost surely, 2^422405342 is an apocalyptic number.

422405342 is a deficient number, since it is larger than the sum of its proper divisors (212902474).

422405342 is a wasteful number, since it uses less digits than its factorization.

422405342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566602.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 422405342 is about 20552.5020861208. The cubic root of 422405342 is about 750.3141451395.

Adding to 422405342 its reverse (243504224), we get a palindrome (665909566).

The spelling of 422405342 in words is "four hundred twenty-two million, four hundred five thousand, three hundred forty-two".