22011354324 has 72 divisors (see below), whose sum is σ = 56140779240. Its totient is φ = 7271350272.

The previous prime is 22011354217. The next prime is 22011354329. The reversal of 22011354324 is 42345311022.

22011354324 is a `hidden beast` number, since 2 + 2 + 0 + 113 + 543 + 2 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 207878724 + 21803475600 = 14418^2 + 147660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011354329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1863124 + ... + 1874900.

It is an arithmetic number, because the mean of its divisors is an integer number (779733045).

Almost surely, 2^22011354324 is an apocalyptic number.

It is an amenable number.

22011354324 is an abundant number, since it is smaller than the sum of its proper divisors (34129424916).

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

22011354324 is a wasteful number, since it uses less digits than its factorization.

22011354324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12249 (or 12244 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 22011354324 its reverse (42345311022), we get a palindrome (64356665346).

The spelling of 22011354324 in words is "twenty-two billion, eleven million, three hundred fifty-four thousand, three hundred twenty-four".