168922212 has 24 divisors (see below), whose sum is σ = 411289536. Its totient is φ = 53859168.

The previous prime is 168922211. The next prime is 168922213. The reversal of 168922212 is 212229861.

It is an interprime number because it is at equal distance from previous prime (168922211) and next prime (168922213).

It is not an unprimeable number, because it can be changed into a prime (168922211) 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, 305743 + ... + 306294.

It is an arithmetic number, because the mean of its divisors is an integer number (17137064).

Almost surely, 2^168922212 is an apocalyptic number.

168922212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168922212 is an abundant number, since it is smaller than the sum of its proper divisors (242367324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168922212 is a wasteful number, since it uses less digits than its factorization.

168922212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612067 (or 612065 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 168922212 is about 12997.0078094922. The cubic root of 168922212 is about 552.7926414592.

The spelling of 168922212 in words is "one hundred sixty-eight million, nine hundred twenty-two thousand, two hundred twelve".