22320230172 has 48 divisors (see below), whose sum is σ = 55203174432. Its totient is φ = 6994923520.

The previous prime is 22320230171. The next prime is 22320230201. The reversal of 22320230172 is 27103202322.

It is a super-3 number, since 3×22320230172³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320230171) 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, 133828 + ... + 250100.

It is an arithmetic number, because the mean of its divisors is an integer number (1150066134).

Almost surely, 2^22320230172 is an apocalyptic number.

It is an amenable number.

22320230172 is an abundant number, since it is smaller than the sum of its proper divisors (32882944260).

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

22320230172 is a wasteful number, since it uses less digits than its factorization.

22320230172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117238 (or 117236 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

Adding to 22320230172 its reverse (27103202322), we get a palindrome (49423432494).

The spelling of 22320230172 in words is "twenty-two billion, three hundred twenty million, two hundred thirty thousand, one hundred seventy-two".