22155233020132 has 12 divisors (see below), whose sum is σ = 38775980699820. Its totient is φ = 11076381391616.

The previous prime is 22155233020127. The next prime is 22155233020133. The reversal of 22155233020132 is 23102033255122.

It can be written as a sum of positive squares in 2 ways, for example, as 4941977979136 + 17213255040996 = 2223056^2 + 4148886^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22155233020094 and 22155233020103.

It is not an unprimeable number, because it can be changed into a prime (22155233020133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308739253 + ... + 308811004.

It is an arithmetic number, because the mean of its divisors is an integer number (3231331724985).

Almost surely, 2^{22155233020132} is an apocalyptic number.

It is an amenable number.

22155233020132 is a deficient number, since it is larger than the sum of its proper divisors (16620747679688).

22155233020132 is a wasteful number, since it uses less digits than its factorization.

22155233020132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617559230 (or 617559228 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 22155233020132 its reverse (23102033255122), we get a palindrome (45257266275254).

The spelling of 22155233020132 in words is "twenty-two trillion, one hundred fifty-five billion, two hundred thirty-three million, twenty thousand, one hundred thirty-two".