2220456650 has 12 divisors (see below), whose sum is σ = 4130049462. Its totient is φ = 888182640.

The previous prime is 2220456607. The next prime is 2220456709. The reversal of 2220456650 is 566540222.

It can be written as a sum of positive squares in 3 ways, for example, as 1691594641 + 528862009 = 41129^2 + 22997^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22204517 + ... + 22204616.

Almost surely, 2^2220456650 is an apocalyptic number.

2220456650 is a deficient number, since it is larger than the sum of its proper divisors (1909592812).

2220456650 is a wasteful number, since it uses less digits than its factorization.

2220456650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44409145 (or 44409140 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2220456650 is about 47121.7216366295. The cubic root of 2220456650 is about 1304.6101897441.

Adding to 2220456650 its reverse (566540222), we get a palindrome (2786996872).

The spelling of 2220456650 in words is "two billion, two hundred twenty million, four hundred fifty-six thousand, six hundred fifty".