422415783 has 16 divisors (see below), whose sum is σ = 626135040. Its totient is φ = 281460312.

The previous prime is 422415781. The next prime is 422415787. The reversal of 422415783 is 387514224.

It is a happy number.

422415783 is a `hidden beast` number, since 42 + 2 + 41 + 578 + 3 = 666.

It is not a de Polignac number, because 422415783 - 2¹ = 422415781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422415781) 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, 74010 + ... + 79512.

It is an arithmetic number, because the mean of its divisors is an integer number (39133440).

Almost surely, 2^422415783 is an apocalyptic number.

422415783 is a deficient number, since it is larger than the sum of its proper divisors (203719257).

422415783 is a wasteful number, since it uses less digits than its factorization.

422415783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8355 (or 8349 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 422415783 is about 20552.7560925536. The cubic root of 422415783 is about 750.3203271679.

The spelling of 422415783 in words is "four hundred twenty-two million, four hundred fifteen thousand, seven hundred eighty-three".