7215226425506 has 8 divisors (see below), whose sum is σ = 11806734150864. Its totient is φ = 3279648375220.

The previous prime is 7215226425487. The next prime is 7215226425509. The reversal of 7215226425506 is 6055246225127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7215226425509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163982418740 + ... + 163982418783.

It is an arithmetic number, because the mean of its divisors is an integer number (1475841768858).

Almost surely, 2^{7215226425506} is an apocalyptic number.

7215226425506 is a deficient number, since it is larger than the sum of its proper divisors (4591507725358).

7215226425506 is a wasteful number, since it uses less digits than its factorization.

7215226425506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327964837536.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 7215226425506 in words is "seven trillion, two hundred fifteen billion, two hundred twenty-six million, four hundred twenty-five thousand, five hundred six".