673424224722 has 18 divisors (see below), whose sum is σ = 1459093363767. Its totient is φ = 224473581036.

The previous prime is 673424224663. The next prime is 673424224727. The reversal of 673424224722 is 227422424376.

673424224722 is a `hidden beast` number, since 6 + 7 + 342 + 42 + 247 + 22 = 666.

673424224722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 336712112361 + 336712112361 = 580269^2 + 580269^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=580269.

It is not an unprimeable number, because it can be changed into a prime (673424224727) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3384903 + ... + 3578325.

Almost surely, 2^673424224722 is an apocalyptic number.

673424224722 is an abundant number, since it is smaller than the sum of its proper divisors (785669139045).

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

673424224722 is an frugal number, since it uses more digits than its factorization.

673424224722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386854 (or 193428 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 45.

The spelling of 673424224722 in words is "six hundred seventy-three billion, four hundred twenty-four million, two hundred twenty-four thousand, seven hundred twenty-two".