2220312604 has 12 divisors (see below), whose sum is σ = 3886775928. Its totient is φ = 1109805200.

The previous prime is 2220312569. The next prime is 2220312631. The reversal of 2220312604 is 4062130222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73282 + ... + 99049.

It is an arithmetic number, because the mean of its divisors is an integer number (323897994).

Almost surely, 2^2220312604 is an apocalyptic number.

It is an amenable number.

2220312604 is a deficient number, since it is larger than the sum of its proper divisors (1666463324).

2220312604 is a wasteful number, since it uses less digits than its factorization.

2220312604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175556 (or 175554 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2220312604 is about 47120.1931659878. The cubic root of 2220312604 is about 1304.5819781383.

Adding to 2220312604 its reverse (4062130222), we get a palindrome (6282442826).

The spelling of 2220312604 in words is "two billion, two hundred twenty million, three hundred twelve thousand, six hundred four".