22321321230 has 128 divisors (see below), whose sum is σ = 58670438400. Its totient is φ = 5401903104.

The previous prime is 22321321219. The next prime is 22321321273. The reversal of 22321321230 is 3212312322.

It is a happy number.

It is a super-3 number, since 3×22321321230³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22321321197 and 22321321206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7916761 + ... + 7919579.

It is an arithmetic number, because the mean of its divisors is an integer number (458362800).

Almost surely, 2^22321321230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22321321230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29335219200).

22321321230 is an abundant number, since it is smaller than the sum of its proper divisors (36349117170).

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

22321321230 is a wasteful number, since it uses less digits than its factorization.

22321321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22321321230 its reverse (3212312322), we get a palindrome (25533633552).

The spelling of 22321321230 in words is "twenty-two billion, three hundred twenty-one million, three hundred twenty-one thousand, two hundred thirty".