221657270023776 has 48 divisors (see below), whose sum is σ = 600619699427328. Its totient is φ = 71502345168000.

The previous prime is 221657270023733. The next prime is 221657270023817. The reversal of 221657270023776 is 677320072756122.

It is a happy number.

221657270023776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37240801800 + ... + 37240807751.

It is an arithmetic number, because the mean of its divisors is an integer number (12512910404736).

Almost surely, 2^{221657270023776} is an apocalyptic number.

It is an amenable number.

221657270023776 is an abundant number, since it is smaller than the sum of its proper divisors (378962429403552).

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

221657270023776 is a wasteful number, since it uses less digits than its factorization.

221657270023776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74481609595 (or 74481609587 counting only the distinct ones).

The product of its (nonzero) digits is 20744640, while the sum is 57.

The spelling of 221657270023776 in words is "two hundred twenty-one trillion, six hundred fifty-seven billion, two hundred seventy million, twenty-three thousand, seven hundred seventy-six".