7215081332 has 24 divisors (see below), whose sum is σ = 13083016800. Its totient is φ = 3477481056.

The previous prime is 7215081331. The next prime is 7215081359. The reversal of 7215081332 is 2331805127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215081331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21563 + ... + 122045.

It is an arithmetic number, because the mean of its divisors is an integer number (545125700).

Almost surely, 2^7215081332 is an apocalyptic number.

It is an amenable number.

7215081332 is a deficient number, since it is larger than the sum of its proper divisors (5867935468).

7215081332 is a wasteful number, since it uses less digits than its factorization.

7215081332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101135 (or 101133 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 7215081332 is about 84941.6348559409. The cubic root of 7215081332 is about 1932.3260572878.

Adding to 7215081332 its reverse (2331805127), we get a palindrome (9546886459).

The spelling of 7215081332 in words is "seven billion, two hundred fifteen million, eighty-one thousand, three hundred thirty-two".