22308305532 has 24 divisors (see below), whose sum is σ = 52057001472. Its totient is φ = 7435489200.

The previous prime is 22308305531. The next prime is 22308305557. The reversal of 22308305532 is 23550380322.

It is a super-3 number, since 3×22308305532³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22308305493 and 22308305502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22308305531) 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, 89557 + ... + 229427.

It is an arithmetic number, because the mean of its divisors is an integer number (2169041728).

Almost surely, 2^22308305532 is an apocalyptic number.

It is an amenable number.

22308305532 is an abundant number, since it is smaller than the sum of its proper divisors (29748695940).

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

22308305532 is a wasteful number, since it uses less digits than its factorization.

22308305532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153169 (or 153167 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 22308305532 its reverse (23550380322), we get a palindrome (45858685854).

The spelling of 22308305532 in words is "twenty-two billion, three hundred eight million, three hundred five thousand, five hundred thirty-two".