844816022 has 4 divisors (see below), whose sum is σ = 1267224036. Its totient is φ = 422408010.

The previous prime is 844815997. The next prime is 844816033. The reversal of 844816022 is 220618448.

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

It is a super-2 number, since 2×844816022² = 1427428222055808968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 211204004 + ... + 211204007.

It is an arithmetic number, because the mean of its divisors is an integer number (316806009).

Almost surely, 2^844816022 is an apocalyptic number.

844816022 is a deficient number, since it is larger than the sum of its proper divisors (422408014).

844816022 is a wasteful number, since it uses less digits than its factorization.

844816022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422408013.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 844816022 is about 29065.7190174267. The cubic root of 844816022 is about 945.3385765511.

The spelling of 844816022 in words is "eight hundred forty-four million, eight hundred sixteen thousand, twenty-two".