5215511322 has 256 divisors, whose sum is σ = 14332723200. Its totient is φ = 1374347520.

The previous prime is 5215511321. The next prime is 5215511333. The reversal of 5215511322 is 2231155125.

5215511322 is a `hidden beast` number, since 521 + 5 + 5 + 1 + 132 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5215511321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27306247 + ... + 27306437.

It is an arithmetic number, because the mean of its divisors is an integer number (55987200).

Almost surely, 2^5215511322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5215511322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7166361600).

5215511322 is an abundant number, since it is smaller than the sum of its proper divisors (9117211878).

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

5215511322 is a wasteful number, since it uses less digits than its factorization.

5215511322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 332 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 5215511322 is about 72218.4970904269. The cubic root of 5215511322 is about 1734.1991306375.

Adding to 5215511322 its reverse (2231155125), we get a palindrome (7446666447).

The spelling of 5215511322 in words is "five billion, two hundred fifteen million, five hundred eleven thousand, three hundred twenty-two".