22321021230 has 64 divisors (see below), whose sum is σ = 59785102080. Its totient is φ = 5926034592.

The previous prime is 22321021207. The next prime is 22321021259. The reversal of 22321021230 is 3212012322.

22321021230 is a `hidden beast` number, since 223 + 210 + 2 + 1 + 230 = 666.

It is a super-3 number, since 3×22321021230³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120804 + ... + 243383.

It is an arithmetic number, because the mean of its divisors is an integer number (934142220).

Almost surely, 2^22321021230 is an apocalyptic number.

22321021230 is an abundant number, since it is smaller than the sum of its proper divisors (37464080850).

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

22321021230 is a wasteful number, since it uses less digits than its factorization.

22321021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364430 (or 364424 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22321021230 its reverse (3212012322), we get a palindrome (25533033552).

The spelling of 22321021230 in words is "twenty-two billion, three hundred twenty-one million, twenty-one thousand, two hundred thirty".