220992716 has 12 divisors (see below), whose sum is σ = 441985488. Its totient is φ = 94711152.

The previous prime is 220992713. The next prime is 220992721. The reversal of 220992716 is 617299022.

220992716 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 220992716.

It is not an unprimeable number, because it can be changed into a prime (220992713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3946271 + ... + 3946326.

It is an arithmetic number, because the mean of its divisors is an integer number (36832124).

Almost surely, 2^220992716 is an apocalyptic number.

It is an amenable number.

220992716 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220992716 is a wasteful number, since it uses less digits than its factorization.

220992716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7892608 (or 7892606 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 220992716 is about 14865.8237578682. The cubic root of 220992716 is about 604.5877171975.

The spelling of 220992716 in words is "two hundred twenty million, nine hundred ninety-two thousand, seven hundred sixteen".