22021202344 has 32 divisors (see below), whose sum is σ = 41394649320. Its totient is φ = 10982670336.

The previous prime is 22021202339. The next prime is 22021202381. The reversal of 22021202344 is 44320212022.

It can be written as a sum of positive squares in 4 ways, for example, as 20343316900 + 1677885444 = 142630^2 + 40962^2 .

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, 6759564 + ... + 6762820.

Almost surely, 2^22021202344 is an apocalyptic number.

It is an amenable number.

22021202344 is a deficient number, since it is larger than the sum of its proper divisors (19373446976).

22021202344 is a wasteful number, since it uses less digits than its factorization.

22021202344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149 (or 5145 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22021202344 its reverse (44320212022), we get a palindrome (66341414366).

The spelling of 22021202344 in words is "twenty-two billion, twenty-one million, two hundred two thousand, three hundred forty-four".