22201020232 has 8 divisors (see below), whose sum is σ = 41626912950. Its totient is φ = 11100510112.

The previous prime is 22201020223. The next prime is 22201020253. The reversal of 22201020232 is 23202010222.

It can be written as a sum of positive squares in only one way, i.e., 21259389636 + 941630596 = 145806^2 + 30686^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387563757 + ... + 1387563772.

Almost surely, 2^22201020232 is an apocalyptic number.

It is an amenable number.

22201020232 is a deficient number, since it is larger than the sum of its proper divisors (19425892718).

22201020232 is a wasteful number, since it uses less digits than its factorization.

22201020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775127535 (or 2775127531 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22201020232 its reverse (23202010222), we get a palindrome (45403030454).

It can be divided in two parts, 222010 and 20232, that added together give a palindrome (242242).

The spelling of 22201020232 in words is "twenty-two billion, two hundred one million, twenty thousand, two hundred thirty-two".