2203552780 has 144 divisors (see below), whose sum is σ = 5546227680. Its totient is φ = 730414080.

The previous prime is 2203552753. The next prime is 2203552811. The reversal of 2203552780 is 872553022.

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 47 ways as a sum of consecutive naturals, for example, 2799547 + ... + 2800333.

It is an arithmetic number, because the mean of its divisors is an integer number (38515470).

Almost surely, 2^2203552780 is an apocalyptic number.

2203552780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2203552780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2773113840).

2203552780 is an abundant number, since it is smaller than the sum of its proper divisors (3342674900).

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

2203552780 is a wasteful number, since it uses less digits than its factorization.

2203552780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 2203552780 is about 46942.0150824397. The cubic root of 2203552780 is about 1301.2911786966.

The spelling of 2203552780 in words is "two billion, two hundred three million, five hundred fifty-two thousand, seven hundred eighty".