22022045505212 has 6 divisors (see below), whose sum is σ = 38538579634128. Its totient is φ = 11011022752604.

The previous prime is 22022045505199. The next prime is 22022045505269. The reversal of 22022045505212 is 21250554022022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752755688148 + ... + 2752755688155.

It is an arithmetic number, because the mean of its divisors is an integer number (6423096605688).

Almost surely, 2^{22022045505212} is an apocalyptic number.

It is an amenable number.

22022045505212 is a deficient number, since it is larger than the sum of its proper divisors (16516534128916).

22022045505212 is a wasteful number, since it uses less digits than its factorization.

22022045505212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505511376307 (or 5505511376305 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 22022045505212 its reverse (21250554022022), we get a palindrome (43272599527234).

The spelling of 22022045505212 in words is "twenty-two trillion, twenty-two billion, forty-five million, five hundred five thousand, two hundred twelve".