42201220232 has 8 divisors (see below), whose sum is σ = 79127287950. Its totient is φ = 21100610112.

The previous prime is 42201220153. The next prime is 42201220289. The reversal of 42201220232 is 23202210224.

It can be written as a sum of positive squares in only one way, i.e., 33765532516 + 8435687716 = 183754^2 + 91846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×42201220232² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2637576257 + ... + 2637576272.

Almost surely, 2^42201220232 is an apocalyptic number.

It is an amenable number.

42201220232 is a deficient number, since it is larger than the sum of its proper divisors (36926067718).

42201220232 is a wasteful number, since it uses less digits than its factorization.

42201220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275152535 (or 5275152531 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42201220232 its reverse (23202210224), we get a palindrome (65403430456).

It can be divided in two parts, 422012 and 20232, that added together give a palindrome (442244).

The spelling of 42201220232 in words is "forty-two billion, two hundred one million, two hundred twenty thousand, two hundred thirty-two".