22021214344 has 8 divisors (see below), whose sum is σ = 41289776910. Its totient is φ = 11010607168.

The previous prime is 22021214329. The next prime is 22021214359. The reversal of 22021214344 is 44341212022.

It is an interprime number because it is at equal distance from previous prime (22021214329) and next prime (22021214359).

It can be written as a sum of positive squares in only one way, i.e., 20174793444 + 1846420900 = 142038^2 + 42970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1376325889 + ... + 1376325904.

Almost surely, 2^22021214344 is an apocalyptic number.

It is an amenable number.

22021214344 is a deficient number, since it is larger than the sum of its proper divisors (19268562566).

22021214344 is a wasteful number, since it uses less digits than its factorization.

22021214344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752651799 (or 2752651795 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22021214344 its reverse (44341212022), we get a palindrome (66362426366).

The spelling of 22021214344 in words is "twenty-two billion, twenty-one million, two hundred fourteen thousand, three hundred forty-four".