22355547000 has 64 divisors (see below), whose sum is σ = 69749316000. Its totient is φ = 5961478400.

The previous prime is 22355546957. The next prime is 22355547007. The reversal of 22355547000 is 74555322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22355547007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3722925 + ... + 3728924.

Almost surely, 2^22355547000 is an apocalyptic number.

22355547000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22355547000 is an abundant number, since it is smaller than the sum of its proper divisors (47393769000).

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

22355547000 is a wasteful number, since it uses less digits than its factorization.

22355547000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7451873 (or 7451859 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The spelling of 22355547000 in words is "twenty-two billion, three hundred fifty-five million, five hundred forty-seven thousand".