2213655520 has 24 divisors (see below), whose sum is σ = 5229761544. Its totient is φ = 885462144.

The previous prime is 2213655517. The next prime is 2213655547. The reversal of 2213655520 is 255563122.

It is a happy number.

2213655520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2213655520² = 9800541522452940800, which contains 22 as substring.

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, 6917514 + ... + 6917833.

It is an arithmetic number, because the mean of its divisors is an integer number (217906731).

Almost surely, 2^2213655520 is an apocalyptic number.

2213655520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213655520 is an abundant number, since it is smaller than the sum of its proper divisors (3016106024).

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

2213655520 is a wasteful number, since it uses less digits than its factorization.

2213655520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13835362 (or 13835354 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2213655520 is about 47049.5007412406. The cubic root of 2213655520 is about 1303.2768457031.

The spelling of 2213655520 in words is "two billion, two hundred thirteen million, six hundred fifty-five thousand, five hundred twenty".