2220545136 has 40 divisors (see below), whose sum is σ = 5738097024. Its totient is φ = 739963840.

The previous prime is 2220545101. The next prime is 2220545141. The reversal of 2220545136 is 6315450222.

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, 308005 + ... + 315131.

Almost surely, 2^2220545136 is an apocalyptic number.

It is an amenable number.

2220545136 is an abundant number, since it is smaller than the sum of its proper divisors (3517551888).

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

2220545136 is a wasteful number, since it uses less digits than its factorization.

2220545136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13629 (or 13623 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2220545136 is about 47122.6605360945. The cubic root of 2220545136 is about 1304.6275192431.

Adding to 2220545136 its reverse (6315450222), we get a palindrome (8535995358).

The spelling of 2220545136 in words is "two billion, two hundred twenty million, five hundred forty-five thousand, one hundred thirty-six".