2201661715 has 32 divisors (see below), whose sum is σ = 2937258432. Its totient is φ = 1570752000.

The previous prime is 2201661703. The next prime is 2201661739. The reversal of 2201661715 is 5171661022.

It is not a de Polignac number, because 2201661715 - 2¹¹ = 2201659667 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1814449 + ... + 1815661.

It is an arithmetic number, because the mean of its divisors is an integer number (91789326).

Almost surely, 2^2201661715 is an apocalyptic number.

2201661715 is a deficient number, since it is larger than the sum of its proper divisors (735596717).

2201661715 is a wasteful number, since it uses less digits than its factorization.

2201661715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 2201661715 is about 46921.8681959702. The cubic root of 2201661715 is about 1300.9188208522.

The spelling of 2201661715 in words is "two billion, two hundred one million, six hundred sixty-one thousand, seven hundred fifteen".