220650715 has 8 divisors (see below), whose sum is σ = 273322368. Its totient is φ = 170826240.

The previous prime is 220650709. The next prime is 220650733. The reversal of 220650715 is 517056022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220650715 - 2¹¹ = 220648667 is a prime.

It is a super-2 number, since 2×220650715² = 97373476060022450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 711622 + ... + 711931.

It is an arithmetic number, because the mean of its divisors is an integer number (34165296).

Almost surely, 2^220650715 is an apocalyptic number.

220650715 is a deficient number, since it is larger than the sum of its proper divisors (52671653).

220650715 is a wasteful number, since it uses less digits than its factorization.

220650715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423589.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 220650715 is about 14854.3163760572. The cubic root of 220650715 is about 604.2756762056.

The spelling of 220650715 in words is "two hundred twenty million, six hundred fifty thousand, seven hundred fifteen".