422782774 has 8 divisors (see below), whose sum is σ = 654631488. Its totient is φ = 204572280.

The previous prime is 422782771. The next prime is 422782781. The reversal of 422782774 is 477287224.

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

It is a super-2 number, since 2×422782774² = 357490547982270152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422782774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422782771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3409477 + ... + 3409600.

It is an arithmetic number, because the mean of its divisors is an integer number (81828936).

Almost surely, 2^422782774 is an apocalyptic number.

422782774 is a deficient number, since it is larger than the sum of its proper divisors (231848714).

422782774 is a wasteful number, since it uses less digits than its factorization.

422782774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819110.

The product of its digits is 351232, while the sum is 43.

The square root of 422782774 is about 20561.6821782655. The cubic root of 422782774 is about 750.5375547693.

The spelling of 422782774 in words is "four hundred twenty-two million, seven hundred eighty-two thousand, seven hundred seventy-four".