220885667 has 4 divisors (see below), whose sum is σ = 224182536. Its totient is φ = 217588800.

The previous prime is 220885661. The next prime is 220885673. The reversal of 220885667 is 766588022.

220885667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (220885661) and next prime (220885673).

It is a cyclic number.

It is not a de Polignac number, because 220885667 - 2⁶ = 220885603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220885661) 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, 1648334 + ... + 1648467.

It is an arithmetic number, because the mean of its divisors is an integer number (56045634).

Almost surely, 2^220885667 is an apocalyptic number.

220885667 is a deficient number, since it is larger than the sum of its proper divisors (3296869).

220885667 is an equidigital number, since it uses as much as digits as its factorization.

220885667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296868.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 220885667 is about 14862.2228149089. Note that the first 3 decimals coincide. The cubic root of 220885667 is about 604.4900805502.

The spelling of 220885667 in words is "two hundred twenty million, eight hundred eighty-five thousand, six hundred sixty-seven".