5215221326 has 32 divisors (see below), whose sum is σ = 9244305408. Its totient is φ = 2159356320.

The previous prime is 5215221317. The next prime is 5215221383. The reversal of 5215221326 is 6231225125.

It is a congruent number.

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, 256241 + ... + 275843.

It is an arithmetic number, because the mean of its divisors is an integer number (288884544).

Almost surely, 2^5215221326 is an apocalyptic number.

5215221326 is a deficient number, since it is larger than the sum of its proper divisors (4029084082).

5215221326 is a wasteful number, since it uses less digits than its factorization.

5215221326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20256.

The product of its digits is 7200, while the sum is 29.

The square root of 5215221326 is about 72216.4892943433. The cubic root of 5215221326 is about 1734.1669880471.

The spelling of 5215221326 in words is "five billion, two hundred fifteen million, two hundred twenty-one thousand, three hundred twenty-six".