22203222231021 has 8 divisors (see below), whose sum is σ = 31881549870240. Its totient is φ = 13663521372912.

The previous prime is 22203222230999. The next prime is 22203222231059. The reversal of 22203222231021 is 12013222230222.

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

It is not a de Polignac number, because 22203222231021 - 2⁵ = 22203222230989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22203222230982 and 22203222231000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22203222231121) 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 7 ways as a sum of consecutive naturals, for example, 284656695231 + ... + 284656695308.

It is an arithmetic number, because the mean of its divisors is an integer number (3985193733780).

Almost surely, 2^{22203222231021} is an apocalyptic number.

It is an amenable number.

22203222231021 is a deficient number, since it is larger than the sum of its proper divisors (9678327639219).

22203222231021 is a wasteful number, since it uses less digits than its factorization.

22203222231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569313390555.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22203222231021 its reverse (12013222230222), we get a palindrome (34216444461243).

The spelling of 22203222231021 in words is "twenty-two trillion, two hundred three billion, two hundred twenty-two million, two hundred thirty-one thousand, twenty-one".