813122285350 has 48 divisors (see below), whose sum is σ = 1538281387440. Its totient is φ = 319686348800.

The previous prime is 813122285333. The next prime is 813122285359. The reversal of 813122285350 is 53582221318.

It is a super-2 number, since 2×813122285350² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813122285359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23113374 + ... + 23148526.

It is an arithmetic number, because the mean of its divisors is an integer number (32047528905).

Almost surely, 2^813122285350 is an apocalyptic number.

813122285350 is a deficient number, since it is larger than the sum of its proper divisors (725159102090).

813122285350 is a wasteful number, since it uses less digits than its factorization.

813122285350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43065 (or 43060 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 813122285350 in words is "eight hundred thirteen billion, one hundred twenty-two million, two hundred eighty-five thousand, three hundred fifty".