22304453544 has 80 divisors (see below), whose sum is σ = 62506821300. Its totient is φ = 7430807808.

The previous prime is 22304453537. The next prime is 22304453623. The reversal of 22304453544 is 44535440322.

22304453544 is a `hidden beast` number, since 2 + 23 + 0 + 44 + 53 + 544 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21918802500 + 385651044 = 148050^2 + 19638^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22304453499 and 22304453508.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1345434 + ... + 1361910.

Almost surely, 2^22304453544 is an apocalyptic number.

22304453544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22304453544 is an abundant number, since it is smaller than the sum of its proper divisors (40202367756).

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

22304453544 is a wasteful number, since it uses less digits than its factorization.

22304453544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18584 (or 18571 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 22304453544 its reverse (44535440322), we get a palindrome (66839893866).

The spelling of 22304453544 in words is "twenty-two billion, three hundred four million, four hundred fifty-three thousand, five hundred forty-four".