22222102320 has 240 divisors, whose sum is σ = 83615175072. Its totient is φ = 5241507840.

The previous prime is 22222102271. The next prime is 22222102333. The reversal of 22222102320 is 2320122222.

22222102320 is a `hidden beast` number, since 2 + 222 + 210 + 232 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a junction number, because it is equal to n+sod(n) for n = 22222102293 and 22222102302.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255124 + ... + 330956.

Almost surely, 2^22222102320 is an apocalyptic number.

22222102320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22222102320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41807587536).

22222102320 is an abundant number, since it is smaller than the sum of its proper divisors (61393072752).

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

22222102320 is a wasteful number, since it uses less digits than its factorization.

22222102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75900 (or 75891 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22222102320 its reverse (2320122222), we get a palindrome (24542224542).

The spelling of 22222102320 in words is "twenty-two billion, two hundred twenty-two million, one hundred two thousand, three hundred twenty".