2220609616 has 10 divisors (see below), whose sum is σ = 4302431162. Its totient is φ = 1110304800.

The previous prime is 2220609613. The next prime is 2220609619. The reversal of 2220609616 is 6169060222.

It is an interprime number because it is at equal distance from previous prime (2220609613) and next prime (2220609619).

It can be written as a sum of positive squares in only one way, i.e., 2156673600 + 63936016 = 46440^2 + 7996^2 .

It is a super-2 number, since 2×2220609616² = 9862214133343334912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220609613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69394035 + ... + 69394066.

Almost surely, 2^2220609616 is an apocalyptic number.

It is an amenable number.

2220609616 is a deficient number, since it is larger than the sum of its proper divisors (2081821546).

2220609616 is a wasteful number, since it uses less digits than its factorization.

2220609616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138788109 (or 138788103 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2220609616 is about 47123.3447030238. The cubic root of 2220609616 is about 1304.6401470084.

Adding to 2220609616 its reverse (6169060222), we get a palindrome (8389669838).

The spelling of 2220609616 in words is "two billion, two hundred twenty million, six hundred nine thousand, six hundred sixteen".