22547247140 has 48 divisors (see below), whose sum is σ = 52276069440. Its totient is φ = 8100209280.

The previous prime is 22547247083. The next prime is 22547247167. The reversal of 22547247140 is 4174274522.

It is a junction number, because it is equal to n+sod(n) for n = 22547247094 and 22547247103.

It is an unprimeable number.

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, 599135 + ... + 635654.

It is an arithmetic number, because the mean of its divisors is an integer number (1089084780).

Almost surely, 2^22547247140 is an apocalyptic number.

22547247140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22547247140 is an abundant number, since it is smaller than the sum of its proper divisors (29728822300).

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

22547247140 is a wasteful number, since it uses less digits than its factorization.

22547247140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234892 (or 1234890 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 38.

The spelling of 22547247140 in words is "twenty-two billion, five hundred forty-seven million, two hundred forty-seven thousand, one hundred forty".