18348235922 has 16 divisors (see below), whose sum is σ = 27573278040. Its totient is φ = 9157158528.

The previous prime is 18348235921. The next prime is 18348235937. The reversal of 18348235922 is 22953284381.

It can be written as a sum of positive squares in 4 ways, for example, as 7404774601 + 10943461321 = 86051^2 + 104611^2 .

It is a super-2 number, since 2×18348235922² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18348235921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4730648 + ... + 4734524.

Almost surely, 2^18348235922 is an apocalyptic number.

18348235922 is a deficient number, since it is larger than the sum of its proper divisors (9225042118).

18348235922 is a wasteful number, since it uses less digits than its factorization.

18348235922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7645.

The product of its digits is 829440, while the sum is 47.

The spelling of 18348235922 in words is "eighteen billion, three hundred forty-eight million, two hundred thirty-five thousand, nine hundred twenty-two".