422854787 has 16 divisors (see below), whose sum is σ = 464631552. Its totient is φ = 383093760.

The previous prime is 422854777. The next prime is 422854841. The reversal of 422854787 is 787458224.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 422854787 - 2¹⁰ = 422853763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422854717) 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, 101783 + ... + 105855.

It is an arithmetic number, because the mean of its divisors is an integer number (29039472).

Almost surely, 2^422854787 is an apocalyptic number.

422854787 is a deficient number, since it is larger than the sum of its proper divisors (41776765).

422854787 is a wasteful number, since it uses less digits than its factorization.

422854787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318.

The product of its digits is 1003520, while the sum is 47.

The square root of 422854787 is about 20563.4332493385. The cubic root of 422854787 is about 750.5801656133.

The spelling of 422854787 in words is "four hundred twenty-two million, eight hundred fifty-four thousand, seven hundred eighty-seven".