220714857 has 24 divisors (see below), whose sum is σ = 348761088. Its totient is φ = 133394400.

The previous prime is 220714847. The next prime is 220714883. The reversal of 220714857 is 758417022.

It is not a de Polignac number, because 220714857 - 2⁴ = 220714841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220714807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35007 + ... + 40827.

It is an arithmetic number, because the mean of its divisors is an integer number (14531712).

Almost surely, 2^220714857 is an apocalyptic number.

It is an amenable number.

220714857 is a deficient number, since it is larger than the sum of its proper divisors (128046231).

220714857 is a wasteful number, since it uses less digits than its factorization.

220714857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221 (or 6218 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 220714857 is about 14856.4752549183. The cubic root of 220714857 is about 604.3342237843.

The spelling of 220714857 in words is "two hundred twenty million, seven hundred fourteen thousand, eight hundred fifty-seven".