2444664622 has 16 divisors (see below), whose sum is σ = 3700857600. Its totient is φ = 1211075320.

The previous prime is 2444664601. The next prime is 2444664623. The reversal of 2444664622 is 2264664442.

It is a super-2 number, since 2×2444664622² = 11952770228116805768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444664623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165579 + ... + 179737.

It is an arithmetic number, because the mean of its divisors is an integer number (231303600).

Almost surely, 2^2444664622 is an apocalyptic number.

2444664622 is a deficient number, since it is larger than the sum of its proper divisors (1256192978).

2444664622 is a wasteful number, since it uses less digits than its factorization.

2444664622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14951.

The product of its digits is 442368, while the sum is 40.

The square root of 2444664622 is about 49443.5498523316. The cubic root of 2444664622 is about 1347.1204506757.

The spelling of 2444664622 in words is "two billion, four hundred forty-four million, six hundred sixty-four thousand, six hundred twenty-two".