22203044205545 has 16 divisors (see below), whose sum is σ = 30525824101248. Its totient is φ = 15186977145600.

The previous prime is 22203044205521. The next prime is 22203044205581. The reversal of 22203044205545 is 54550244030222.

It is not a de Polignac number, because 22203044205545 - 2¹² = 22203044201449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22203044205499 and 22203044205508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790974359 + ... + 791002428.

It is an arithmetic number, because the mean of its divisors is an integer number (1907864006328).

Almost surely, 2^{22203044205545} is an apocalyptic number.

It is an amenable number.

22203044205545 is a deficient number, since it is larger than the sum of its proper divisors (8322779895703).

22203044205545 is a wasteful number, since it uses less digits than its factorization.

22203044205545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581977200.

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 22203044205545 its reverse (54550244030222), we get a palindrome (76753288235767).

The spelling of 22203044205545 in words is "twenty-two trillion, two hundred three billion, forty-four million, two hundred five thousand, five hundred forty-five".