422056517 has 8 divisors (see below), whose sum is σ = 443128800. Its totient is φ = 401418864.

The previous prime is 422056511. The next prime is 422056529. The reversal of 422056517 is 715650224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422056517 - 2²² = 417862213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422056511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106667 + ... + 110552.

It is an arithmetic number, because the mean of its divisors is an integer number (55391100).

Almost surely, 2^422056517 is an apocalyptic number.

It is an amenable number.

422056517 is a deficient number, since it is larger than the sum of its proper divisors (21072283).

422056517 is a wasteful number, since it uses less digits than its factorization.

422056517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217315.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 422056517 is about 20544.0141403768. The cubic root of 422056517 is about 750.1075502062.

The spelling of 422056517 in words is "four hundred twenty-two million, fifty-six thousand, five hundred seventeen".