2220435136 has 56 divisors (see below), whose sum is σ = 4490573696. Its totient is φ = 1089054720.

The previous prime is 2220435131. The next prime is 2220435137. The reversal of 2220435136 is 6315340222.

It is not an unprimeable number, because it can be changed into a prime (2220435131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369260 + ... + 2370196.

It is an arithmetic number, because the mean of its divisors is an integer number (80188816).

Almost surely, 2^2220435136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220435136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2245286848).

2220435136 is an abundant number, since it is smaller than the sum of its proper divisors (2270138560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2220435136 is an equidigital number, since it uses as much as digits as its factorization.

2220435136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1607 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2220435136 is about 47121.4933549437. The cubic root of 2220435136 is about 1304.6059762754.

Adding to 2220435136 its reverse (6315340222), we get a palindrome (8535775358).

The spelling of 2220435136 in words is "two billion, two hundred twenty million, four hundred thirty-five thousand, one hundred thirty-six".