22222513213532 has 24 divisors (see below), whose sum is σ = 38994426024960. Its totient is φ = 11081252271600.

The previous prime is 22222513213531. The next prime is 22222513213573. The reversal of 22222513213532 is 23531231522222.

It is a junction number, because it is equal to n+sod(n) for n = 22222513213492 and 22222513213501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222513213531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24457157 + ... + 25349507.

It is an arithmetic number, because the mean of its divisors is an integer number (1624767751040).

Almost surely, 2^{22222513213532} is an apocalyptic number.

It is an amenable number.

22222513213532 is a deficient number, since it is larger than the sum of its proper divisors (16771912811428).

22222513213532 is a wasteful number, since it uses less digits than its factorization.

22222513213532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909161 (or 909159 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

Adding to 22222513213532 its reverse (23531231522222), we get a palindrome (45753744735754).

The spelling of 22222513213532 in words is "twenty-two trillion, two hundred twenty-two billion, five hundred thirteen million, two hundred thirteen thousand, five hundred thirty-two".