422681533 has 4 divisors (see below), whose sum is σ = 423746620. Its totient is φ = 421616448.

The previous prime is 422681513. The next prime is 422681549. The reversal of 422681533 is 335186224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 262861369 + 159820164 = 16213^2 + 12642^2 .

It is a cyclic number.

It is not a de Polignac number, because 422681533 - 2¹⁷ = 422550461 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 (422681503) 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 3 ways as a sum of consecutive naturals, for example, 531948 + ... + 532741.

It is an arithmetic number, because the mean of its divisors is an integer number (105936655).

Almost surely, 2^422681533 is an apocalyptic number.

It is an amenable number.

422681533 is a deficient number, since it is larger than the sum of its proper divisors (1065087).

422681533 is a wasteful number, since it uses less digits than its factorization.

422681533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065086.

The product of its digits is 34560, while the sum is 34.

The square root of 422681533 is about 20559.2201457156. The cubic root of 422681533 is about 750.4776412287.

The spelling of 422681533 in words is "four hundred twenty-two million, six hundred eighty-one thousand, five hundred thirty-three".