22047434556780 has 48 divisors (see below), whose sum is σ = 62897586895584. Its totient is φ = 5768385392640.

The previous prime is 22047434556779. The next prime is 22047434556787. The reversal of 22047434556780 is 8765543474022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22047434556780.

It is not an unprimeable number, because it can be changed into a prime (22047434556787) 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 15 ways as a sum of consecutive naturals, for example, 3466574581 + ... + 3466580940.

It is an arithmetic number, because the mean of its divisors is an integer number (1310366393658).

Almost surely, 2^{22047434556780} is an apocalyptic number.

22047434556780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22047434556780 is an abundant number, since it is smaller than the sum of its proper divisors (40850152338804).

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

22047434556780 is a wasteful number, since it uses less digits than its factorization.

22047434556780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6933155586 (or 6933155584 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 57.

The spelling of 22047434556780 in words is "twenty-two trillion, forty-seven billion, four hundred thirty-four million, five hundred fifty-six thousand, seven hundred eighty".