22031301303221 has 8 divisors (see below), whose sum is σ = 25179721977984. Its totient is φ = 18883153607760.

The previous prime is 22031301303199. The next prime is 22031301303227. The reversal of 22031301303221 is 12230310313022.

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 22031301303221 - 2¹⁸ = 22031301041077 is a prime.

It is a super-2 number, since 2×22031301303221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031301303227) 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, 68071850 + ... + 68394731.

It is an arithmetic number, because the mean of its divisors is an integer number (3147465247248).

Almost surely, 2^{22031301303221} is an apocalyptic number.

It is an amenable number.

22031301303221 is a deficient number, since it is larger than the sum of its proper divisors (3148420674763).

22031301303221 is a wasteful number, since it uses less digits than its factorization.

22031301303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136489651.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 22031301303221 its reverse (12230310313022), we get a palindrome (34261611616243).

The spelling of 22031301303221 in words is "twenty-two trillion, thirty-one billion, three hundred one million, three hundred three thousand, two hundred twenty-one".