22403321304021 has 48 divisors (see below), whose sum is σ = 37664876496000. Its totient is φ = 12566795103360.

The previous prime is 22403321303939. The next prime is 22403321304047. The reversal of 22403321304021 is 12040312330422.

22403321304021 is a `hidden beast` number, since 2 + 2 + 4 + 0 + 332 + 1 + 304 + 0 + 21 = 666.

It is not a de Polignac number, because 22403321304021 - 2⁷ = 22403321303893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22403321303021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3923670 + ... + 7758983.

It is an arithmetic number, because the mean of its divisors is an integer number (784684927000).

Almost surely, 2^{22403321304021} is an apocalyptic number.

22403321304021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22403321304021 is a deficient number, since it is larger than the sum of its proper divisors (15261555191979).

22403321304021 is a wasteful number, since it uses less digits than its factorization.

22403321304021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11683226 (or 11683223 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 22403321304021 its reverse (12040312330422), we get a palindrome (34443633634443).

The spelling of 22403321304021 in words is "twenty-two trillion, four hundred three billion, three hundred twenty-one million, three hundred four thousand, twenty-one".