221647065027074 has 16 divisors (see below), whose sum is σ = 343196631303936. Its totient is φ = 107248212421200.

The previous prime is 221647065027001. The next prime is 221647065027079. The reversal of 221647065027074 is 470720560746122.

It is not an unprimeable number, because it can be changed into a prime (221647065027079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12575969 + ... + 24524459.

It is an arithmetic number, because the mean of its divisors is an integer number (21449789456496).

Almost surely, 2^{221647065027074} is an apocalyptic number.

221647065027074 is a deficient number, since it is larger than the sum of its proper divisors (121549566276862).

221647065027074 is a wasteful number, since it uses less digits than its factorization.

221647065027074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12247721.

The product of its (nonzero) digits is 7902720, while the sum is 53.

The spelling of 221647065027074 in words is "two hundred twenty-one trillion, six hundred forty-seven billion, sixty-five million, twenty-seven thousand, seventy-four".