2220303638 has 32 divisors (see below), whose sum is σ = 3967242240. Its totient is φ = 911904480.

The previous prime is 2220303619. The next prime is 2220303647. The reversal of 2220303638 is 8363030222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220303638.

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 15 ways as a sum of consecutive naturals, for example, 19868 + ... + 69536.

It is an arithmetic number, because the mean of its divisors is an integer number (123976320).

Almost surely, 2^2220303638 is an apocalyptic number.

2220303638 is a deficient number, since it is larger than the sum of its proper divisors (1746938602).

2220303638 is a wasteful number, since it uses less digits than its factorization.

2220303638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49812.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2220303638 is about 47120.0980262138. The cubic root of 2220303638 is about 1304.5802220946.

The spelling of 2220303638 in words is "two billion, two hundred twenty million, three hundred three thousand, six hundred thirty-eight".