2220645052 has 48 divisors (see below), whose sum is σ = 4020619680. Its totient is φ = 1072760832.

The previous prime is 2220645047. The next prime is 2220645071. The reversal of 2220645052 is 2505460222.

It is a self number, because there is not a number n which added to its sum of digits gives 2220645052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3744468 + ... + 3745060.

It is an arithmetic number, because the mean of its divisors is an integer number (83762910).

Almost surely, 2^2220645052 is an apocalyptic number.

It is an amenable number.

2220645052 is a deficient number, since it is larger than the sum of its proper divisors (1799974628).

2220645052 is a wasteful number, since it uses less digits than its factorization.

2220645052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2220645052 is about 47123.7206935106. The cubic root of 2220645052 is about 1304.6470866917.

The spelling of 2220645052 in words is "two billion, two hundred twenty million, six hundred forty-five thousand, fifty-two".