5226221351520 has 384 divisors, whose sum is σ = 19719706608000. Its totient is φ = 1285091426304.

The previous prime is 5226221351413. The next prime is 5226221351531. The reversal of 5226221351520 is 251531226225.

5226221351520 is a `hidden beast` number, since 5 + 2 + 2 + 62 + 21 + 3 + 51 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53471656 + ... + 53569304.

It is an arithmetic number, because the mean of its divisors is an integer number (51353402625).

Almost surely, 2^{5226221351520} 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 5226221351520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9859853304000).

5226221351520 is an abundant number, since it is smaller than the sum of its proper divisors (14493485256480).

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

5226221351520 is a wasteful number, since it uses less digits than its factorization.

5226221351520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98639 (or 98625 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 5226221351520 its reverse (251531226225), we get a palindrome (5477752577745).

The spelling of 5226221351520 in words is "five trillion, two hundred twenty-six billion, two hundred twenty-one million, three hundred fifty-one thousand, five hundred twenty".