2220404252 has 24 divisors (see below), whose sum is σ = 4242696192. Its totient is φ = 1008383600.

The previous prime is 2220404237. The next prime is 2220404267. The reversal of 2220404252 is 2524040222.

It is an interprime number because it is at equal distance from previous prime (2220404237) and next prime (2220404267).

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 7 ways as a sum of consecutive naturals, for example, 29477 + ... + 72867.

It is an arithmetic number, because the mean of its divisors is an integer number (176779008).

Almost surely, 2^2220404252 is an apocalyptic number.

2220404252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2220404252 is a deficient number, since it is larger than the sum of its proper divisors (2022291940).

2220404252 is a wasteful number, since it uses less digits than its factorization.

2220404252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44569 (or 44567 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 2220404252 is about 47121.1656477214. The cubic root of 2220404252 is about 1304.5999276655.

Adding to 2220404252 its reverse (2524040222), we get a palindrome (4744444474).

The spelling of 2220404252 in words is "two billion, two hundred twenty million, four hundred four thousand, two hundred fifty-two".