22256355550 has 96 divisors (see below), whose sum is σ = 48991176864. Its totient is φ = 7415808000.

The previous prime is 22256355547. The next prime is 22256355557. The reversal of 22256355550 is 5555365222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22256355557) 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, 968190 + ... + 990910.

It is an arithmetic number, because the mean of its divisors is an integer number (510324759).

Almost surely, 2^22256355550 is an apocalyptic number.

22256355550 is an abundant number, since it is smaller than the sum of its proper divisors (26734821314).

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

22256355550 is a wasteful number, since it uses less digits than its factorization.

22256355550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22894 (or 22889 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 22256355550 in words is "twenty-two billion, two hundred fifty-six million, three hundred fifty-five thousand, five hundred fifty".