220614665 has 4 divisors (see below), whose sum is σ = 264737604. Its totient is φ = 176491728.

The previous prime is 220614659. The next prime is 220614671. The reversal of 220614665 is 566416022.

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 (220614659) and next prime (220614671).

It can be written as a sum of positive squares in 2 ways, for example, as 82011136 + 138603529 = 9056^2 + 11773^2 .

It is a cyclic number.

It is not a de Polignac number, because 220614665 - 2⁶ = 220614601 is a prime.

It is a Duffinian 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, 22061462 + ... + 22061471.

It is an arithmetic number, because the mean of its divisors is an integer number (66184401).

Almost surely, 2^220614665 is an apocalyptic number.

It is an amenable number.

220614665 is a deficient number, since it is larger than the sum of its proper divisors (44122939).

220614665 is an equidigital number, since it uses as much as digits as its factorization.

220614665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44122938.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 220614665 is about 14853.1028744838. The cubic root of 220614665 is about 604.2427654812.

The spelling of 220614665 in words is "two hundred twenty million, six hundred fourteen thousand, six hundred sixty-five".