22120544369 has 32 divisors (see below), whose sum is σ = 28205472000. Its totient is φ = 17197729920.

The previous prime is 22120544293. The next prime is 22120544399. The reversal of 22120544369 is 96344502122.

It is not a de Polignac number, because 22120544369 - 2⁸ = 22120544113 is a prime.

It is a super-2 number, since 2×22120544369² (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 (22120544399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1717847 + ... + 1730675.

It is an arithmetic number, because the mean of its divisors is an integer number (881421000).

Almost surely, 2^22120544369 is an apocalyptic number.

It is an amenable number.

22120544369 is a deficient number, since it is larger than the sum of its proper divisors (6084927631).

22120544369 is a wasteful number, since it uses less digits than its factorization.

22120544369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13318 (or 13304 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 22120544369 in words is "twenty-two billion, one hundred twenty million, five hundred forty-four thousand, three hundred sixty-nine".