4220525115 has 32 divisors (see below), whose sum is σ = 7519472640. Its totient is φ = 2246051808.

The previous prime is 4220525083. The next prime is 4220525137. The reversal of 4220525115 is 5115250224.

4220525115 is a `hidden beast` number, since 4 + 2 + 20 + 525 + 115 = 666.

It is not a de Polignac number, because 4220525115 - 2⁵ = 4220525083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 28744 + ... + 96266.

It is an arithmetic number, because the mean of its divisors is an integer number (234983520).

Almost surely, 2^4220525115 is an apocalyptic number.

4220525115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4220525115 is a deficient number, since it is larger than the sum of its proper divisors (3298947525).

4220525115 is a wasteful number, since it uses less digits than its factorization.

4220525115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68000 (or 67994 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 4220525115 is about 64965.5686883444. The cubic root of 4220525115 is about 1616.0526150391.

Adding to 4220525115 its reverse (5115250224), we get a palindrome (9335775339).

The spelling of 4220525115 in words is "four billion, two hundred twenty million, five hundred twenty-five thousand, one hundred fifteen".