22021102232 has 8 divisors (see below), whose sum is σ = 41289566700. Its totient is φ = 11010551112.

The previous prime is 22021102223. The next prime is 22021102241. The reversal of 22021102232 is 23220112022.

It is an interprime number because it is at equal distance from previous prime (22021102223) and next prime (22021102241).

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

It is a self number, because there is not a number n which added to its sum of digits gives 22021102232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1376318882 + ... + 1376318897.

Almost surely, 2^22021102232 is an apocalyptic number.

It is an amenable number.

22021102232 is a deficient number, since it is larger than the sum of its proper divisors (19268464468).

22021102232 is a wasteful number, since it uses less digits than its factorization.

22021102232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752637785 (or 2752637781 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22021102232 its reverse (23220112022), we get a palindrome (45241214254).

The spelling of 22021102232 in words is "twenty-two billion, twenty-one million, one hundred two thousand, two hundred thirty-two".