422447380 has 24 divisors (see below), whose sum is σ = 887800032. Its totient is φ = 168853152.

The previous prime is 422447369. The next prime is 422447381. The reversal of 422447380 is 83744224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422447381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22539 + ... + 36781.

It is an arithmetic number, because the mean of its divisors is an integer number (36991668).

Almost surely, 2^422447380 is an apocalyptic number.

It is an amenable number.

422447380 is an abundant number, since it is smaller than the sum of its proper divisors (465352652).

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

422447380 is a wasteful number, since it uses less digits than its factorization.

422447380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15735 (or 15733 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 422447380 is about 20553.5247585420. The cubic root of 422447380 is about 750.3390348655.

The spelling of 422447380 in words is "four hundred twenty-two million, four hundred forty-seven thousand, three hundred eighty".