22204005120521 has 8 divisors (see below), whose sum is σ = 25401979253760. Its totient is φ = 19012524337728.

The previous prime is 22204005120509. The next prime is 22204005120551. The reversal of 22204005120521 is 12502150040222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22204005120521 is a prime.

It is a super-2 number, since 2×22204005120521² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22204005120551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1623330281 + ... + 1623343958.

It is an arithmetic number, because the mean of its divisors is an integer number (3175247406720).

Almost surely, 2^{22204005120521} is an apocalyptic number.

It is an amenable number.

22204005120521 is a deficient number, since it is larger than the sum of its proper divisors (3197974133239).

22204005120521 is an equidigital number, since it uses as much as digits as its factorization.

22204005120521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246675223.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 22204005120521 its reverse (12502150040222), we get a palindrome (34706155160743).

The spelling of 22204005120521 in words is "twenty-two trillion, two hundred four billion, five million, one hundred twenty thousand, five hundred twenty-one".