422804442 has 16 divisors (see below), whose sum is σ = 847497600. Its totient is φ = 140620032.

The previous prime is 422804429. The next prime is 422804449. The reversal of 422804442 is 244408224.

It is not an unprimeable number, because it can be changed into a prime (422804449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75778 + ... + 81165.

It is an arithmetic number, because the mean of its divisors is an integer number (52968600).

Almost surely, 2^422804442 is an apocalyptic number.

422804442 is an abundant number, since it is smaller than the sum of its proper divisors (424693158).

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

422804442 is a wasteful number, since it uses less digits than its factorization.

422804442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157397.

The product of its (nonzero) digits is 16384, while the sum is 30.

The square root of 422804442 is about 20562.2090739298. The cubic root of 422804442 is about 750.5503764600.

The spelling of 422804442 in words is "four hundred twenty-two million, eight hundred four thousand, four hundred forty-two".