2215582580 has 24 divisors (see below), whose sum is σ = 4672200960. Its totient is φ = 882523040.

The previous prime is 2215582549. The next prime is 2215582583. The reversal of 2215582580 is 852855122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215582583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226976 + ... + 236535.

It is an arithmetic number, because the mean of its divisors is an integer number (194675040).

Almost surely, 2^2215582580 is an apocalyptic number.

2215582580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215582580 is an abundant number, since it is smaller than the sum of its proper divisors (2456618380).

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

2215582580 is a wasteful number, since it uses less digits than its factorization.

2215582580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463759 (or 463757 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 38.

The square root of 2215582580 is about 47069.9753558465. The cubic root of 2215582580 is about 1303.6549178149.

The spelling of 2215582580 in words is "two billion, two hundred fifteen million, five hundred eighty-two thousand, five hundred eighty".