2215503104 has 72 divisors (see below), whose sum is σ = 4791790080. Its totient is φ = 1018257408.

The previous prime is 2215503091. The next prime is 2215503161. The reversal of 2215503104 is 4013055122.

It is a self number, because there is not a number n which added to its sum of digits gives 2215503104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181217 + ... + 193055.

It is an arithmetic number, because the mean of its divisors is an integer number (66552640).

Almost surely, 2^2215503104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215503104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2395895040).

2215503104 is an abundant number, since it is smaller than the sum of its proper divisors (2576286976).

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

2215503104 is a wasteful number, since it uses less digits than its factorization.

2215503104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11915 (or 11901 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2215503104 is about 47069.1311158385. The cubic root of 2215503104 is about 1303.6393296624.

Adding to 2215503104 its reverse (4013055122), we get a palindrome (6228558226).

The spelling of 2215503104 in words is "two billion, two hundred fifteen million, five hundred three thousand, one hundred four".