221023800577 has 8 divisors (see below), whose sum is σ = 221879585664. Its totient is φ = 220168132608.

The previous prime is 221023800539. The next prime is 221023800583. The reversal of 221023800577 is 775008320122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221023800577 - 2⁷ = 221023800449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221023800587) 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, 6851628 + ... + 6883810.

It is an arithmetic number, because the mean of its divisors is an integer number (27734948208).

Almost surely, 2^221023800577 is an apocalyptic number.

It is an amenable number.

221023800577 is a deficient number, since it is larger than the sum of its proper divisors (855785087).

221023800577 is a wasteful number, since it uses less digits than its factorization.

221023800577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58559.

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 221023800577 in words is "two hundred twenty-one billion, twenty-three million, eight hundred thousand, five hundred seventy-seven".