22320010000 has 100 divisors (see below), whose sum is σ = 55296761872. Its totient is φ = 8720208000.

The previous prime is 22320009979. The next prime is 22320010001. The reversal of 22320010000 is 1002322.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-3 number, since 3×22320010000³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (22320010001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 404047 + ... + 455953.

Almost surely, 2^22320010000 is an apocalyptic number.

22320010000 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 22320010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27648380936).

22320010000 is an abundant number, since it is smaller than the sum of its proper divisors (32976751872).

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

22320010000 is an equidigital number, since it uses as much as digits as its factorization.

22320010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51978 (or 51957 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 22320010000 its reverse (1002322), we get a palindrome (22321012322).

The spelling of 22320010000 in words is "twenty-two billion, three hundred twenty million, ten thousand".