946221688 has 8 divisors (see below), whose sum is σ = 1774165680. Its totient is φ = 473110840.

The previous prime is 946221673. The next prime is 946221707. The reversal of 946221688 is 886122649.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59138848 + ... + 59138863.

It is an arithmetic number, because the mean of its divisors is an integer number (221770710).

Almost surely, 2^946221688 is an apocalyptic number.

It is an amenable number.

946221688 is a deficient number, since it is larger than the sum of its proper divisors (827943992).

946221688 is a wasteful number, since it uses less digits than its factorization.

946221688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118277717 (or 118277713 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 946221688 is about 30760.7166366455. The cubic root of 946221688 is about 981.7425916386.

The spelling of 946221688 in words is "nine hundred forty-six million, two hundred twenty-one thousand, six hundred eighty-eight".