2212442521520 has 320 divisors, whose sum is σ = 6597297745920. Its totient is φ = 669939916800.

The previous prime is 2212442521517. The next prime is 2212442521603. The reversal of 2212442521520 is 251252442122.

It is a super-2 number, since 2×2212442521520² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60343514 + ... + 60380166.

It is an arithmetic number, because the mean of its divisors is an integer number (20616555456).

Almost surely, 2^{2212442521520} is an apocalyptic number.

2212442521520 is a gapful number since it is divisible by the number (20) 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 2212442521520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3298648872960).

2212442521520 is an abundant number, since it is smaller than the sum of its proper divisors (4384855224400).

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

2212442521520 is a wasteful number, since it uses less digits than its factorization.

2212442521520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36964 (or 36958 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 2212442521520 its reverse (251252442122), we get a palindrome (2463694963642).

The spelling of 2212442521520 in words is "two trillion, two hundred twelve billion, four hundred forty-two million, five hundred twenty-one thousand, five hundred twenty".