422828623 has 8 divisors (see below), whose sum is σ = 498821120. Its totient is φ = 350733240.

The previous prime is 422828621. The next prime is 422828657. The reversal of 422828623 is 326828224.

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 422828623 - 2¹ = 422828621 is a prime.

It is a super-2 number, since 2×422828623² = 357568088856152258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422828621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974043 + ... + 974476.

It is an arithmetic number, because the mean of its divisors is an integer number (62352640).

Almost surely, 2^422828623 is an apocalyptic number.

422828623 is a deficient number, since it is larger than the sum of its proper divisors (75992497).

422828623 is a wasteful number, since it uses less digits than its factorization.

422828623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948557.

The product of its digits is 73728, while the sum is 37.

The square root of 422828623 is about 20562.7970616840. The cubic root of 422828623 is about 750.5646846609.

It can be divided in two parts, 42282 and 8623, that added together give a palindrome (50905).

The spelling of 422828623 in words is "four hundred twenty-two million, eight hundred twenty-eight thousand, six hundred twenty-three".