221946076 has 48 divisors (see below), whose sum is σ = 435939840. Its totient is φ = 98017920.

The previous prime is 221946037. The next prime is 221946107. The reversal of 221946076 is 670649122.

221946076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232416 + ... + 233368.

It is an arithmetic number, because the mean of its divisors is an integer number (9082080).

Almost surely, 2^221946076 is an apocalyptic number.

It is an amenable number.

221946076 is a deficient number, since it is larger than the sum of its proper divisors (213993764).

221946076 is a wasteful number, since it uses less digits than its factorization.

221946076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 221946076 is about 14897.8547448953. The cubic root of 221946076 is about 605.4558647863.

The spelling of 221946076 in words is "two hundred twenty-one million, nine hundred forty-six thousand, seventy-six".