2220635525 has 12 divisors (see below), whose sum is σ = 2754383232. Its totient is φ = 1775995440.

The previous prime is 2220635509. The next prime is 2220635537. The reversal of 2220635525 is 5255360222.

It is not a de Polignac number, because 2220635525 - 2⁴ = 2220635509 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220635491 and 2220635500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92414 + ... + 113936.

It is an arithmetic number, because the mean of its divisors is an integer number (229531936).

Almost surely, 2^2220635525 is an apocalyptic number.

2220635525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2220635525 is a deficient number, since it is larger than the sum of its proper divisors (533747707).

2220635525 is a wasteful number, since it uses less digits than its factorization.

2220635525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25660 (or 25655 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2220635525 is about 47123.6196084299. The cubic root of 2220635525 is about 1304.6452209589.

Adding to 2220635525 its reverse (5255360222), we get a palindrome (7475995747).

The spelling of 2220635525 in words is "two billion, two hundred twenty million, six hundred thirty-five thousand, five hundred twenty-five".