22221560369 has 4 divisors (see below), whose sum is σ = 22489290096. Its totient is φ = 21953830644.

The previous prime is 22221560359. The next prime is 22221560407. The reversal of 22221560369 is 96306512222.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96306512222 = 2 ⋅48153256111.

It is a cyclic number.

It is not a de Polignac number, because 22221560369 - 2⁸ = 22221560113 is a prime.

It is a super-2 number, since 2×22221560369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221560359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133864739 + ... + 133864904.

It is an arithmetic number, because the mean of its divisors is an integer number (5622322524).

Almost surely, 2^22221560369 is an apocalyptic number.

It is an amenable number.

22221560369 is a deficient number, since it is larger than the sum of its proper divisors (267729727).

22221560369 is an equidigital number, since it uses as much as digits as its factorization.

22221560369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267729726.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 22221560369 in words is "twenty-two billion, two hundred twenty-one million, five hundred sixty thousand, three hundred sixty-nine".