947122168 has 16 divisors (see below), whose sum is σ = 1833140160. Its totient is φ = 458284800.

The previous prime is 947122159. The next prime is 947122177. The reversal of 947122168 is 861221749.

It is an interprime number because it is at equal distance from previous prime (947122159) and next prime (947122177).

It is a super-2 number, since 2×947122168² = 1794080802234040448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 947122168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1909273 + ... + 1909768.

It is an arithmetic number, because the mean of its divisors is an integer number (114571260).

Almost surely, 2^947122168 is an apocalyptic number.

It is an amenable number.

947122168 is a deficient number, since it is larger than the sum of its proper divisors (886017992).

947122168 is a wasteful number, since it uses less digits than its factorization.

947122168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819078 (or 3819074 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 947122168 is about 30775.3500061332. The cubic root of 947122168 is about 982.0539208241.

The spelling of 947122168 in words is "nine hundred forty-seven million, one hundred twenty-two thousand, one hundred sixty-eight".