2215240524552 has 256 divisors, whose sum is σ = 6139674132480. Its totient is φ = 660499660800.

The previous prime is 2215240524491. The next prime is 2215240524587. The reversal of 2215240524552 is 2554250425122.

It is a super-2 number, since 2×2215240524552² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2215240524552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2731492227 + ... + 2731493037.

It is an arithmetic number, because the mean of its divisors is an integer number (23983102080).

Almost surely, 2^{2215240524552} is an apocalyptic number.

2215240524552 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 2215240524552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3069837066240).

2215240524552 is an abundant number, since it is smaller than the sum of its proper divisors (3924433607928).

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

2215240524552 is a wasteful number, since it uses less digits than its factorization.

2215240524552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 39.

Adding to 2215240524552 its reverse (2554250425122), we get a palindrome (4769490949674).

The spelling of 2215240524552 in words is "two trillion, two hundred fifteen billion, two hundred forty million, five hundred twenty-four thousand, five hundred fifty-two".