422703787 has 16 divisors (see below), whose sum is σ = 467488224. Its totient is φ = 379008000.

The previous prime is 422703781. The next prime is 422703791. The reversal of 422703787 is 787307224.

It is a cyclic number.

It is not a de Polignac number, because 422703787 - 2²⁷ = 288486059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422703781) 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, 448737 + ... + 449677.

It is an arithmetic number, because the mean of its divisors is an integer number (29218014).

Almost surely, 2^422703787 is an apocalyptic number.

422703787 is a deficient number, since it is larger than the sum of its proper divisors (44784437).

422703787 is a wasteful number, since it uses less digits than its factorization.

422703787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 422703787 is about 20559.7613556189. The cubic root of 422703787 is about 750.4908117720.

The spelling of 422703787 in words is "four hundred twenty-two million, seven hundred three thousand, seven hundred eighty-seven".