22315430000 has 100 divisors (see below), whose sum is σ = 54259756320. Its totient is φ = 8887872000.

The previous prime is 22315429991. The next prime is 22315430003. The reversal of 22315430000 is 3451322.

It is a happy number.

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

It is a super-3 number, since 3×22315430000³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22315430003) 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, 2385332 + ... + 2394668.

Almost surely, 2^22315430000 is an apocalyptic number.

22315430000 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 22315430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27129878160).

22315430000 is an abundant number, since it is smaller than the sum of its proper divisors (31944326320).

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

22315430000 is an equidigital number, since it uses as much as digits as its factorization.

22315430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9604 (or 9583 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 22315430000 its reverse (3451322), we get a palindrome (22318881322).

The spelling of 22315430000 in words is "twenty-two billion, three hundred fifteen million, four hundred thirty thousand".