22221006663253 has 8 divisors (see below), whose sum is σ = 23569087021920. Its totient is φ = 20890781673840.

The previous prime is 22221006663199. The next prime is 22221006663277. The reversal of 22221006663253 is 35236660012222.

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

It is a cyclic number.

It is not a de Polignac number, because 22221006663253 - 2²⁵ = 22220973108821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221006663553) 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, 4463839750 + ... + 4463844727.

It is an arithmetic number, because the mean of its divisors is an integer number (2946135877740).

Almost surely, 2^{22221006663253} is an apocalyptic number.

It is an amenable number.

22221006663253 is a deficient number, since it is larger than the sum of its proper divisors (1348080358667).

22221006663253 is a wasteful number, since it uses less digits than its factorization.

22221006663253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8927684627.

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 22221006663253 its reverse (35236660012222), we get a palindrome (57457666675475).

The spelling of 22221006663253 in words is "twenty-two trillion, two hundred twenty-one billion, six million, six hundred sixty-three thousand, two hundred fifty-three".