22355541321 has 4 divisors (see below), whose sum is σ = 29807388432. Its totient is φ = 14903694212.

The previous prime is 22355541319. The next prime is 22355541323. The reversal of 22355541321 is 12314555322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (22355541319) and next prime (22355541323).

It is a cyclic number.

It is not a de Polignac number, because 22355541321 - 2¹ = 22355541319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22355541323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3725923551 + ... + 3725923556.

It is an arithmetic number, because the mean of its divisors is an integer number (7451847108).

Almost surely, 2^22355541321 is an apocalyptic number.

It is an amenable number.

22355541321 is a deficient number, since it is larger than the sum of its proper divisors (7451847111).

22355541321 is an equidigital number, since it uses as much as digits as its factorization.

22355541321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7451847110.

The product of its digits is 36000, while the sum is 33.

The spelling of 22355541321 in words is "twenty-two billion, three hundred fifty-five million, five hundred forty-one thousand, three hundred twenty-one".