422842542 has 32 divisors (see below), whose sum is σ = 877562880. Its totient is φ = 135682560.

The previous prime is 422842531. The next prime is 422842543. The reversal of 422842542 is 245248224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422842543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30009 + ... + 41787.

It is an arithmetic number, because the mean of its divisors is an integer number (27423840).

Almost surely, 2^422842542 is an apocalyptic number.

422842542 is an abundant number, since it is smaller than the sum of its proper divisors (454720338).

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

422842542 is a wasteful number, since it uses less digits than its factorization.

422842542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12008.

The product of its digits is 40960, while the sum is 33.

The square root of 422842542 is about 20563.1355099362. The cubic root of 422842542 is about 750.5729204603.

The spelling of 422842542 in words is "four hundred twenty-two million, eight hundred forty-two thousand, five hundred forty-two".