18227307369 has 16 divisors (see below), whose sum is σ = 24875735040. Its totient is φ = 11868408720.

The previous prime is 18227307359. The next prime is 18227307419. The reversal of 18227307369 is 96370372281.

It is not a de Polignac number, because 18227307369 - 2¹³ = 18227299177 is a prime.

It is a super-2 number, since 2×18227307369² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18227307349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377089 + ... + 422670.

It is an arithmetic number, because the mean of its divisors is an integer number (1554733440).

Almost surely, 2^18227307369 is an apocalyptic number.

It is an amenable number.

18227307369 is a deficient number, since it is larger than the sum of its proper divisors (6648427671).

18227307369 is a wasteful number, since it uses less digits than its factorization.

18227307369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799940.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 18227307369 in words is "eighteen billion, two hundred twenty-seven million, three hundred seven thousand, three hundred sixty-nine".