22205253550 has 108 divisors (see below), whose sum is σ = 43645257864. Its totient is φ = 8403360000.

The previous prime is 22205253529. The next prime is 22205253601. The reversal of 22205253550 is 5535250222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 312750015 + ... + 312750085.

It is an arithmetic number, because the mean of its divisors is an integer number (404122758).

Almost surely, 2^22205253550 is an apocalyptic number.

22205253550 is a deficient number, since it is larger than the sum of its proper divisors (21440004314).

22205253550 is an equidigital number, since it uses as much as digits as its factorization.

22205253550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The spelling of 22205253550 in words is "twenty-two billion, two hundred five million, two hundred fifty-three thousand, five hundred fifty".