22304242000 has 80 divisors (see below), whose sum is σ = 54846043200. Its totient is φ = 8770435200.

The previous prime is 22304241989. The next prime is 22304242003. The reversal of 22304242000 is 24240322.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×22304242000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22304242003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23491 + ... + 212509.

It is an arithmetic number, because the mean of its divisors is an integer number (685575540).

Almost surely, 2^22304242000 is an apocalyptic number.

22304242000 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 22304242000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27423021600).

22304242000 is an abundant number, since it is smaller than the sum of its proper divisors (32541801200).

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

22304242000 is a wasteful number, since it uses less digits than its factorization.

22304242000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189101 (or 189085 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 22304242000 its reverse (24240322), we get a palindrome (22328482322).

The spelling of 22304242000 in words is "twenty-two billion, three hundred four million, two hundred forty-two thousand".