22044540338 has 6 divisors (see below), whose sum is σ = 33067125471. Its totient is φ = 11022165182.

The previous prime is 22044540337. The next prime is 22044540341. The reversal of 22044540338 is 83304544022.

It can be written as a sum of positive squares in only one way, i.e., 11022270169 + 11022270169 = 104987^2 + 104987^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=104987.

It is a super-3 number, since 3×22044540338³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22044540298 and 22044540307.

It is not an unprimeable number, because it can be changed into a prime (22044540337) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 157481 + ... + 262467.

Almost surely, 2^22044540338 is an apocalyptic number.

22044540338 is a deficient number, since it is larger than the sum of its proper divisors (11022585133).

22044540338 is an frugal number, since it uses more digits than its factorization.

22044540338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209976 (or 104989 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 22044540338 in words is "twenty-two billion, forty-four million, five hundred forty thousand, three hundred thirty-eight".