22004100324 has 18 divisors (see below), whose sum is σ = 55621475910. Its totient is φ = 7334700096.

The previous prime is 22004100319. The next prime is 22004100329. The reversal of 22004100324 is 42300140022.

22004100324 is a `hidden beast` number, since 220 + 0 + 410 + 0 + 32 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (22004100319) and next prime (22004100329).

It can be written as a sum of positive squares in only one way, i.e., 19497095424 + 2507004900 = 139632^2 + 50070^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 = 22004100297 and 22004100306.

It is not an unprimeable number, because it can be changed into a prime (22004100329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305612469 + ... + 305612540.

It is an arithmetic number, because the mean of its divisors is an integer number (3090081995).

Almost surely, 2^22004100324 is an apocalyptic number.

It is an amenable number.

22004100324 is an abundant number, since it is smaller than the sum of its proper divisors (33617375586).

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

22004100324 is a wasteful number, since it uses less digits than its factorization.

22004100324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611225019 (or 611225014 counting only the distinct ones).

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

Adding to 22004100324 its reverse (42300140022), we get a palindrome (64304240346).

The spelling of 22004100324 in words is "twenty-two billion, four million, one hundred thousand, three hundred twenty-four".