18228223607 has 8 divisors (see below), whose sum is σ = 20090339472. Its totient is φ = 16400275200.

The previous prime is 18228223577. The next prime is 18228223639. The reversal of 18228223607 is 70632282281.

It is a happy number.

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 18228223607 - 2¹⁰ = 18228222583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18228223687) 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, 8540744 + ... + 8542877.

It is an arithmetic number, because the mean of its divisors is an integer number (2511292434).

Almost surely, 2^18228223607 is an apocalyptic number.

18228223607 is a deficient number, since it is larger than the sum of its proper divisors (1862115865).

18228223607 is a wasteful number, since it uses less digits than its factorization.

18228223607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17083729.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 18228223607 in words is "eighteen billion, two hundred twenty-eight million, two hundred twenty-three thousand, six hundred seven".