221774610968 has 32 divisors (see below), whose sum is σ = 424709818560. Its totient is φ = 108519048960.

The previous prime is 221774610923. The next prime is 221774611063. The reversal of 221774610968 is 869016477122.

221774610968 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 8605430 + ... + 8631162.

It is an arithmetic number, because the mean of its divisors is an integer number (13272181830).

Almost surely, 2^221774610968 is an apocalyptic number.

It is an amenable number.

221774610968 is a deficient number, since it is larger than the sum of its proper divisors (202935207592).

221774610968 is a wasteful number, since it uses less digits than its factorization.

221774610968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48707 (or 48703 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 221774610968 in words is "two hundred twenty-one billion, seven hundred seventy-four million, six hundred ten thousand, nine hundred sixty-eight".