2220201615 has 32 divisors (see below), whose sum is σ = 3924827136. Its totient is φ = 1065996800.

The previous prime is 2220201601. The next prime is 2220201631. The reversal of 2220201615 is 5161020222.

It is a happy number.

It is not a de Polignac number, because 2220201615 - 2⁵ = 2220201583 is a prime.

It is a super-2 number, since 2×2220201615² = 9858590422497216450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220201591 and 2220201600.

It is a congruent 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, 183411 + ... + 195140.

It is an arithmetic number, because the mean of its divisors is an integer number (122650848).

Almost surely, 2^2220201615 is an apocalyptic number.

2220201615 is a deficient number, since it is larger than the sum of its proper divisors (1704625521).

2220201615 is a wasteful number, since it uses less digits than its factorization.

2220201615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378599.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2220201615 is about 47119.0154290176. The cubic root of 2220201615 is about 1304.5602399588.

Adding to 2220201615 its reverse (5161020222), we get a palindrome (7381221837).

The spelling of 2220201615 in words is "two billion, two hundred twenty million, two hundred one thousand, six hundred fifteen".