2215711652 has 48 divisors (see below), whose sum is σ = 4866825600. Its totient is φ = 857452800.

The previous prime is 2215711613. The next prime is 2215711691. The reversal of 2215711652 is 2561175122.

It is an interprime number because it is at equal distance from previous prime (2215711613) and next prime (2215711691).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21752 + ... + 70032.

It is an arithmetic number, because the mean of its divisors is an integer number (101392200).

Almost surely, 2^2215711652 is an apocalyptic number.

2215711652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215711652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2433412800).

2215711652 is an abundant number, since it is smaller than the sum of its proper divisors (2651113948).

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

2215711652 is a wasteful number, since it uses less digits than its factorization.

2215711652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48452 (or 48450 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 2215711652 is about 47071.3464009688. The cubic root of 2215711652 is about 1303.6802327639.

Adding to 2215711652 its reverse (2561175122), we get a palindrome (4776886774).

The spelling of 2215711652 in words is "two billion, two hundred fifteen million, seven hundred eleven thousand, six hundred fifty-two".