844347922 has 12 divisors (see below), whose sum is σ = 1392127758. Its totient is φ = 383794400.

The previous prime is 844347919. The next prime is 844347923. The reversal of 844347922 is 229743448.

It can be written as a sum of positive squares in only one way, i.e., 469112281 + 375235641 = 21659^2 + 19371^2 .

It is not an unprimeable number, because it can be changed into a prime (844347923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1744279 + ... + 1744762.

Almost surely, 2^844347922 is an apocalyptic number.

844347922 is a deficient number, since it is larger than the sum of its proper divisors (547779836).

844347922 is a wasteful number, since it uses less digits than its factorization.

844347922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489065 (or 3489054 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 844347922 is about 29057.6654602533. The cubic root of 844347922 is about 945.1639449424.

It can be divided in two parts, 8443 and 47922, that added together give a palindrome (56365).

The spelling of 844347922 in words is "eight hundred forty-four million, three hundred forty-seven thousand, nine hundred twenty-two".