844744244 has 6 divisors (see below), whose sum is σ = 1478302434. Its totient is φ = 422372120.

The previous prime is 844744217. The next prime is 844744259. The reversal of 844744244 is 442447448.

It can be written as a sum of positive squares in only one way, i.e., 844599844 + 144400 = 29062^2 + 380^2 .

It is a super-2 number, since 2×844744244² = 1427185675542263072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105593027 + ... + 105593034.

It is an arithmetic number, because the mean of its divisors is an integer number (246383739).

Almost surely, 2^844744244 is an apocalyptic number.

It is an amenable number.

844744244 is a deficient number, since it is larger than the sum of its proper divisors (633558190).

844744244 is a wasteful number, since it uses less digits than its factorization.

844744244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211186065 (or 211186063 counting only the distinct ones).

The product of its digits is 458752, while the sum is 41.

The square root of 844744244 is about 29064.4842376396. The cubic root of 844744244 is about 945.3118028976.

The spelling of 844744244 in words is "eight hundred forty-four million, seven hundred forty-four thousand, two hundred forty-four".