22116663222532 has 6 divisors (see below), whose sum is σ = 38704160639438. Its totient is φ = 11058331611264.

The previous prime is 22116663222509. The next prime is 22116663222547. The reversal of 22116663222532 is 23522236661122.

It can be written as a sum of positive squares in only one way, i.e., 17610578678016 + 4506084544516 = 4196496^2 + 2122754^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2764582902813 + ... + 2764582902820.

Almost surely, 2^{22116663222532} is an apocalyptic number.

It is an amenable number.

22116663222532 is a deficient number, since it is larger than the sum of its proper divisors (16587497416906).

22116663222532 is a wasteful number, since it uses less digits than its factorization.

22116663222532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529165805637 (or 5529165805635 counting only the distinct ones).

The product of its digits is 622080, while the sum is 43.

Adding to 22116663222532 its reverse (23522236661122), we get a palindrome (45638899883654).

The spelling of 22116663222532 in words is "twenty-two trillion, one hundred sixteen billion, six hundred sixty-three million, two hundred twenty-two thousand, five hundred thirty-two".