221432270773065 has 32 divisors (see below), whose sum is σ = 386584041419136. Its totient is φ = 107337746012160.

The previous prime is 221432270773037. The next prime is 221432270773097. The reversal of 221432270773065 is 560377072234122.

It is not a de Polignac number, because 221432270773065 - 2⁸ = 221432270772809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221432270772999 and 221432270773017.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145207752 + ... + 146724761.

It is an arithmetic number, because the mean of its divisors is an integer number (12080751294348).

Almost surely, 2^{221432270773065} is an apocalyptic number.

It is an amenable number.

221432270773065 is a deficient number, since it is larger than the sum of its proper divisors (165151770646071).

221432270773065 is a wasteful number, since it uses less digits than its factorization.

221432270773065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291937129.

The product of its (nonzero) digits is 5927040, while the sum is 51.

The spelling of 221432270773065 in words is "two hundred twenty-one trillion, four hundred thirty-two billion, two hundred seventy million, seven hundred seventy-three thousand, sixty-five".