844222448 has 20 divisors (see below), whose sum is σ = 1731898080. Its totient is φ = 397281024.

The previous prime is 844222417. The next prime is 844222453.

844222448 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×844222448² = 1425423083414225408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551608 + ... + 1552151.

It is an arithmetic number, because the mean of its divisors is an integer number (86594904).

Almost surely, 2^844222448 is an apocalyptic number.

It is an amenable number.

844222448 is an abundant number, since it is smaller than the sum of its proper divisors (887675632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

844222448 is a wasteful number, since it uses less digits than its factorization.

844222448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103784 (or 3103778 counting only the distinct ones).

The product of its digits is 131072, while the sum is 38.

The square root of 844222448 is about 29055.5063284053. The cubic root of 844222448 is about 945.1171240476.

The spelling of 844222448 in words is "eight hundred forty-four million, two hundred twenty-two thousand, four hundred forty-eight".