22244140025312 has 24 divisors (see below), whose sum is σ = 44811596042136. Its totient is φ = 10863417220992.

The previous prime is 22244140025311. The next prime is 22244140025407. The reversal of 22244140025312 is 21352004144222.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244140025311) 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, 8082898343 + ... + 8082901094.

It is an arithmetic number, because the mean of its divisors is an integer number (1867149835089).

Almost surely, 2^{22244140025312} is an apocalyptic number.

It is an amenable number.

22244140025312 is an abundant number, since it is smaller than the sum of its proper divisors (22567456016824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22244140025312 is a wasteful number, since it uses less digits than its factorization.

22244140025312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16165799490 (or 16165799482 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 22244140025312 its reverse (21352004144222), we get a palindrome (43596144169534).

The spelling of 22244140025312 in words is "twenty-two trillion, two hundred forty-four billion, one hundred forty million, twenty-five thousand, three hundred twelve".