2022206644 has 24 divisors (see below), whose sum is σ = 3909947328. Its totient is φ = 910250880.

The previous prime is 2022206617. The next prime is 2022206699. The reversal of 2022206644 is 4466022202.

It is a super-2 number, since 2×2022206644² = 8178639422075485472, 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 in 7 ways as a sum of consecutive naturals, for example, 644922 + ... + 648049.

It is an arithmetic number, because the mean of its divisors is an integer number (162914472).

Almost surely, 2^2022206644 is an apocalyptic number.

It is an amenable number.

2022206644 is a deficient number, since it is larger than the sum of its proper divisors (1887740684).

2022206644 is a wasteful number, since it uses less digits than its factorization.

2022206644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293015 (or 1293013 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 2022206644 is about 44968.9520002412. The cubic root of 2022206644 is about 1264.5669999657.

Adding to 2022206644 its reverse (4466022202), we get a palindrome (6488228846).

The spelling of 2022206644 in words is "two billion, twenty-two million, two hundred six thousand, six hundred forty-four".