22335556780 has 24 divisors (see below), whose sum is σ = 49373336880. Its totient is φ = 8464000320.

The previous prime is 22335556769. The next prime is 22335556787. The reversal of 22335556780 is 8765553322.

It is a self number, because there is not a number n which added to its sum of digits gives 22335556780.

It is not an unprimeable number, because it can be changed into a prime (22335556787) 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 7 ways as a sum of consecutive naturals, for example, 29388511 + ... + 29389270.

It is an arithmetic number, because the mean of its divisors is an integer number (2057222370).

Almost surely, 2^22335556780 is an apocalyptic number.

22335556780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22335556780 is an abundant number, since it is smaller than the sum of its proper divisors (27037780100).

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

22335556780 is a wasteful number, since it uses less digits than its factorization.

22335556780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58777809 (or 58777807 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 22335556780 in words is "twenty-two billion, three hundred thirty-five million, five hundred fifty-six thousand, seven hundred eighty".