7228413215523 has 12 divisors (see below), whose sum is σ = 10990569801640. Its totient is φ = 4565313609696.

The previous prime is 7228413215519. The next prime is 7228413215533. The reversal of 7228413215523 is 3255123148227.

7228413215523 is a `hidden beast` number, since 7 + 2 + 2 + 84 + 1 + 32 + 15 + 523 = 666.

It is not a de Polignac number, because 7228413215523 - 2² = 7228413215519 is a prime.

It is a super-2 number, since 2×7228413215523² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7228413215533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21135710986 + ... + 21135711327.

Almost surely, 2^{7228413215523} is an apocalyptic number.

7228413215523 is a deficient number, since it is larger than the sum of its proper divisors (3762156586117).

7228413215523 is a wasteful number, since it uses less digits than its factorization.

7228413215523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42271422338 (or 42271422335 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 7228413215523 in words is "seven trillion, two hundred twenty-eight billion, four hundred thirteen million, two hundred fifteen thousand, five hundred twenty-three".