22356053224421 has 16 divisors (see below), whose sum is σ = 26765368972800. Its totient is φ = 18267364297728.

The previous prime is 22356053224279. The next prime is 22356053224429. The reversal of 22356053224421 is 12442235065322.

It is not a de Polignac number, because 22356053224421 - 2¹⁰ = 22356053223397 is a prime.

It is a super-3 number, since 3×22356053224421³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22356053224429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696998780 + ... + 697030853.

It is an arithmetic number, because the mean of its divisors is an integer number (1672835560800).

Almost surely, 2^{22356053224421} is an apocalyptic number.

It is an amenable number.

22356053224421 is a deficient number, since it is larger than the sum of its proper divisors (4409315748379).

22356053224421 is a wasteful number, since it uses less digits than its factorization.

22356053224421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394029748.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 22356053224421 its reverse (12442235065322), we get a palindrome (34798288289743).

The spelling of 22356053224421 in words is "twenty-two trillion, three hundred fifty-six billion, fifty-three million, two hundred twenty-four thousand, four hundred twenty-one".