303322220040340 has 12 divisors (see below), whose sum is σ = 636976662084756. Its totient is φ = 121328888016128.

The previous prime is 303322220040313. The next prime is 303322220040341. The reversal of 303322220040340 is 43040022223303.

It can be written as a sum of positive squares in 2 ways, for example, as 104314601756304 + 199007618284036 = 10213452^2 + 14107006^2 .

It is a super-2 number, since 2×303322220040340² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 303322220040299 and 303322220040308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303322220040341) 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, 7583055500989 + ... + 7583055501028.

It is an arithmetic number, because the mean of its divisors is an integer number (53081388507063).

Almost surely, 2^{303322220040340} is an apocalyptic number.

It is an amenable number.

303322220040340 is an abundant number, since it is smaller than the sum of its proper divisors (333654442044416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303322220040340 is a wasteful number, since it uses less digits than its factorization.

303322220040340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15166111002026 (or 15166111002024 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 303322220040340 its reverse (43040022223303), we get a palindrome (346362242263643).

The spelling of 303322220040340 in words is "three hundred three trillion, three hundred twenty-two billion, two hundred twenty million, forty thousand, three hundred forty".