4220115515 has 32 divisors (see below), whose sum is σ = 6369670656. Its totient is φ = 2607413760.

The previous prime is 4220115469. The next prime is 4220115539. The reversal of 4220115515 is 5155110224.

It is not a de Polignac number, because 4220115515 - 2⁶ = 4220115451 is a prime.

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, 4997 + ... + 92006.

It is an arithmetic number, because the mean of its divisors is an integer number (199052208).

Almost surely, 2^4220115515 is an apocalyptic number.

4220115515 is a deficient number, since it is larger than the sum of its proper divisors (2149555141).

4220115515 is a wasteful number, since it uses less digits than its factorization.

4220115515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97139.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 4220115515 is about 64962.4161727379. The cubic root of 4220115515 is about 1616.0003342962. Note that the first 3 decimals are identical.

Adding to 4220115515 its reverse (5155110224), we get a palindrome (9375225739).

The spelling of 4220115515 in words is "four billion, two hundred twenty million, one hundred fifteen thousand, five hundred fifteen".