22221301313532 has 48 divisors (see below), whose sum is σ = 52509066444800. Its totient is φ = 7312916520000.

The previous prime is 22221301313513. The next prime is 22221301313539. The reversal of 22221301313532 is 23531310312222.

It is a self number, because there is not a number n which added to its sum of digits gives 22221301313532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221301313539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15929157 + ... + 17267907.

Almost surely, 2^{22221301313532} is an apocalyptic number.

It is an amenable number.

22221301313532 is an abundant number, since it is smaller than the sum of its proper divisors (30287765131268).

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

22221301313532 is a wasteful number, since it uses less digits than its factorization.

22221301313532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356346 (or 1356344 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 22221301313532 its reverse (23531310312222), we get a palindrome (45752611625754).

The spelling of 22221301313532 in words is "twenty-two trillion, two hundred twenty-one billion, three hundred one million, three hundred thirteen thousand, five hundred thirty-two".