2201161515 has 64 divisors (see below), whose sum is σ = 4108879872. Its totient is φ = 985420800.

The previous prime is 2201161499. The next prime is 2201161531. The reversal of 2201161515 is 5151611022.

It is an interprime number because it is at equal distance from previous prime (2201161499) and next prime (2201161531).

It is not a de Polignac number, because 2201161515 - 2⁴ = 2201161499 is a prime.

It is a super-2 number, since 2×2201161515² = 9690224030234190450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1799194 + ... + 1800416.

It is an arithmetic number, because the mean of its divisors is an integer number (64201248).

Almost surely, 2^2201161515 is an apocalyptic number.

2201161515 is a deficient number, since it is larger than the sum of its proper divisors (1907718357).

2201161515 is a wasteful number, since it uses less digits than its factorization.

2201161515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 2201161515 is about 46916.5377558916. The cubic root of 2201161515 is about 1300.8202939266.

Adding to 2201161515 its reverse (5151611022), we get a palindrome (7352772537).

The spelling of 2201161515 in words is "two billion, two hundred one million, one hundred sixty-one thousand, five hundred fifteen".