22223663550 has 96 divisors (see below), whose sum is σ = 66805724160. Its totient is φ = 5387551200.

The previous prime is 22223663549. The next prime is 22223663551. The reversal of 22223663550 is 5536632222.

22223663550 is a `hidden beast` number, since 2 + 22 + 23 + 6 + 63 + 550 = 666.

It is an interprime number because it is at equal distance from previous prime (22223663549) and next prime (22223663551).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223663551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 733422 + ... + 763121.

It is an arithmetic number, because the mean of its divisors is an integer number (695892960).

Almost surely, 2^22223663550 is an apocalyptic number.

22223663550 is an abundant number, since it is smaller than the sum of its proper divisors (44582060610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22223663550 is a wasteful number, since it uses less digits than its factorization.

22223663550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496575 (or 1496564 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 22223663550 in words is "twenty-two billion, two hundred twenty-three million, six hundred sixty-three thousand, five hundred fifty".