422442342 has 48 divisors (see below), whose sum is σ = 1047271680. Its totient is φ = 120556656.

The previous prime is 422442341. The next prime is 422442343. The reversal of 422442342 is 243244224.

422442342 is a `hidden beast` number, since 422 + 4 + 4 + 234 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (422442341) and next prime (422442343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422442341) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 157303 + ... + 159965.

It is an arithmetic number, because the mean of its divisors is an integer number (21818160).

Almost surely, 2^422442342 is an apocalyptic number.

422442342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

422442342 is an abundant number, since it is smaller than the sum of its proper divisors (624829338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422442342 is a wasteful number, since it uses less digits than its factorization.

422442342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937 (or 3934 counting only the distinct ones).

The product of its digits is 12288, while the sum is 27.

The square root of 422442342 is about 20553.4022001225. The cubic root of 422442342 is about 750.3360520695.

Adding to 422442342 its reverse (243244224), we get a palindrome (665686566).

The spelling of 422442342 in words is "four hundred twenty-two million, four hundred forty-two thousand, three hundred forty-two".