228462312722 has 54 divisors (see below), whose sum is σ = 406753404309. Its totient is φ = 95959565520.

The previous prime is 228462312721. The next prime is 228462312761. The reversal of 228462312722 is 227213264822.

It can be written as a sum of positive squares in 2 ways, for example, as 216709801441 + 11752511281 = 465521^2 + 108409^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337981.

It is a self number, because there is not a number n which added to its sum of digits gives 228462312722.

It is not an unprimeable number, because it can be changed into a prime (228462312721) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 250781447 + ... + 250782357.

Almost surely, 2^228462312722 is an apocalyptic number.

228462312722 is a deficient number, since it is larger than the sum of its proper divisors (178291091587).

228462312722 is an frugal number, since it uses more digits than its factorization.

228462312722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944 (or 973 counting only the distinct ones).

The product of its digits is 258048, while the sum is 41.

The spelling of 228462312722 in words is "two hundred twenty-eight billion, four hundred sixty-two million, three hundred twelve thousand, seven hundred twenty-two".