422564782 has 8 divisors (see below), whose sum is σ = 654293952. Its totient is φ = 204466800.

The previous prime is 422564777. The next prime is 422564833. The reversal of 422564782 is 287465224.

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

It is a super-3 number, since 3×422564782³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3407719 + ... + 3407842.

It is an arithmetic number, because the mean of its divisors is an integer number (81786744).

Almost surely, 2^422564782 is an apocalyptic number.

422564782 is a deficient number, since it is larger than the sum of its proper divisors (231729170).

422564782 is a wasteful number, since it uses less digits than its factorization.

422564782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6815594.

The product of its digits is 215040, while the sum is 40.

The square root of 422564782 is about 20556.3805666270. The cubic root of 422564782 is about 750.4085371265.

The spelling of 422564782 in words is "four hundred twenty-two million, five hundred sixty-four thousand, seven hundred eighty-two".