22320011304 has 24 divisors (see below), whose sum is σ = 60450030810. Its totient is φ = 7440003744.

The previous prime is 22320011261. The next prime is 22320011323. The reversal of 22320011304 is 40311002322.

It can be written as a sum of positive squares in only one way, i.e., 21883284900 + 436726404 = 147930^2 + 20898^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×22320011304³ (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 an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155000007 + ... + 155000150.

Almost surely, 2^22320011304 is an apocalyptic number.

22320011304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22320011304 is an abundant number, since it is smaller than the sum of its proper divisors (38130019506).

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

22320011304 is a wasteful number, since it uses less digits than its factorization.

22320011304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310000169 (or 310000162 counting only the distinct ones).

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

Adding to 22320011304 its reverse (40311002322), we get a palindrome (62631013626).

The spelling of 22320011304 in words is "twenty-two billion, three hundred twenty million, eleven thousand, three hundred four".