22502223550 has 12 divisors (see below), whose sum is σ = 41854135896. Its totient is φ = 9000889400.

The previous prime is 22502223539. The next prime is 22502223577. The reversal of 22502223550 is 5532220522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225022186 + ... + 225022285.

It is an arithmetic number, because the mean of its divisors is an integer number (3487844658).

Almost surely, 2^22502223550 is an apocalyptic number.

22502223550 is a deficient number, since it is larger than the sum of its proper divisors (19351912346).

22502223550 is a wasteful number, since it uses less digits than its factorization.

22502223550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450044483 (or 450044478 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The spelling of 22502223550 in words is "twenty-two billion, five hundred two million, two hundred twenty-three thousand, five hundred fifty".