422047892 has 24 divisors (see below), whose sum is σ = 852458880. Its totient is φ = 179085600.

The previous prime is 422047853. The next prime is 422047903. The reversal of 422047892 is 298740224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71792 + ... + 77447.

It is an arithmetic number, because the mean of its divisors is an integer number (35519120).

Almost surely, 2^422047892 is an apocalyptic number.

It is an amenable number.

422047892 is an abundant number, since it is smaller than the sum of its proper divisors (430410988).

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

422047892 is a wasteful number, since it uses less digits than its factorization.

422047892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149351 (or 149349 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 422047892 is about 20543.8042241451. The cubic root of 422047892 is about 750.1024405258.

The spelling of 422047892 in words is "four hundred twenty-two million, forty-seven thousand, eight hundred ninety-two".