22145044135132 has 24 divisors (see below), whose sum is σ = 39392432004240. Its totient is φ = 10890093941760.

The previous prime is 22145044135013. The next prime is 22145044135223. The reversal of 22145044135132 is 23153144054122.

It is a junction number, because it is equal to n+sod(n) for n = 22145044135091 and 22145044135100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870958 + ... + 6711829.

It is an arithmetic number, because the mean of its divisors is an integer number (1641351333510).

Almost surely, 2^{22145044135132} is an apocalyptic number.

It is an amenable number.

22145044135132 is a deficient number, since it is larger than the sum of its proper divisors (17247387869108).

22145044135132 is a wasteful number, since it uses less digits than its factorization.

22145044135132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7594821 (or 7594819 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 22145044135132 its reverse (23153144054122), we get a palindrome (45298188189254).

The spelling of 22145044135132 in words is "twenty-two trillion, one hundred forty-five billion, forty-four million, one hundred thirty-five thousand, one hundred thirty-two".