422307642 has 32 divisors (see below), whose sum is σ = 941371200. Its totient is φ = 125515008.

The previous prime is 422307631. The next prime is 422307649. The reversal of 422307642 is 246703224.

It is not an unprimeable number, because it can be changed into a prime (422307649) 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 15 ways as a sum of consecutive naturals, for example, 107017 + ... + 110892.

It is an arithmetic number, because the mean of its divisors is an integer number (29417850).

Almost surely, 2^422307642 is an apocalyptic number.

422307642 is an abundant number, since it is smaller than the sum of its proper divisors (519063558).

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

422307642 is a wasteful number, since it uses less digits than its factorization.

422307642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217950.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 422307642 is about 20550.1251091082. The cubic root of 422307642 is about 750.2562928531.

The spelling of 422307642 in words is "four hundred twenty-two million, three hundred seven thousand, six hundred forty-two".