22220135235332 has 12 divisors (see below), whose sum is σ = 38885493803100. Its totient is φ = 11109994148736.

The previous prime is 22220135235257. The next prime is 22220135235379. The reversal of 22220135235332 is 23353253102222.

It can be written as a sum of positive squares in 2 ways, for example, as 8836493445376 + 13383641789956 = 2972624^2 + 3658366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22220135235292 and 22220135235301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17683913 + ... + 18898704.

It is an arithmetic number, because the mean of its divisors is an integer number (3240457816925).

Almost surely, 2^{22220135235332} is an apocalyptic number.

It is an amenable number.

22220135235332 is a deficient number, since it is larger than the sum of its proper divisors (16665358567768).

22220135235332 is a wasteful number, since it uses less digits than its factorization.

22220135235332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36734470 (or 36734468 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 22220135235332 its reverse (23353253102222), we get a palindrome (45573388337554).

The spelling of 22220135235332 in words is "twenty-two trillion, two hundred twenty billion, one hundred thirty-five million, two hundred thirty-five thousand, three hundred thirty-two".