2220062656 has 28 divisors (see below), whose sum is σ = 5034785968. Its totient is φ = 951455232.

The previous prime is 2220062627. The next prime is 2220062659. The reversal of 2220062656 is 6562600222.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220062659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2477301 + ... + 2478196.

Almost surely, 2^2220062656 is an apocalyptic number.

It is an amenable number.

2220062656 is an abundant number, since it is smaller than the sum of its proper divisors (2814723312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2220062656 is an equidigital number, since it uses as much as digits as its factorization.

2220062656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955516 (or 4955506 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2220062656 is about 47117.5408526379. The cubic root of 2220062656 is about 1304.5330225855.

Adding to 2220062656 its reverse (6562600222), we get a palindrome (8782662878).

The spelling of 2220062656 in words is "two billion, two hundred twenty million, sixty-two thousand, six hundred fifty-six".