223557780556 has 24 divisors (see below), whose sum is σ = 429510560976. Its totient is φ = 100969926720.

The previous prime is 223557780547. The next prime is 223557780559. The reversal of 223557780556 is 655087755322.

It is a junction number, because it is equal to n+sod(n) for n = 223557780497 and 223557780506.

It is not an unprimeable number, because it can be changed into a prime (223557780559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16174171 + ... + 16187986.

It is an arithmetic number, because the mean of its divisors is an integer number (17896273374).

Almost surely, 2^223557780556 is an apocalyptic number.

It is an amenable number.

223557780556 is a deficient number, since it is larger than the sum of its proper divisors (205952780420).

223557780556 is a wasteful number, since it uses less digits than its factorization.

223557780556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32362329 (or 32362327 counting only the distinct ones).

The product of its (nonzero) digits is 17640000, while the sum is 55.

The spelling of 223557780556 in words is "two hundred twenty-three billion, five hundred fifty-seven million, seven hundred eighty thousand, five hundred fifty-six".