18960223 has 8 divisors (see below), whose sum is σ = 19546560. Its totient is φ = 18381600.

The previous prime is 18960199. The next prime is 18960239. The reversal of 18960223 is 32206981.

18960223 = 612² + 613² + ... + 658².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18960223 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 (18960283) 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, 3273 + ... + 6973.

It is an arithmetic number, because the mean of its divisors is an integer number (2443320).

Almost surely, 2^18960223 is an apocalyptic number.

18960223 is a deficient number, since it is larger than the sum of its proper divisors (586337).

18960223 is a wasteful number, since it uses less digits than its factorization.

18960223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 18960223 is about 4354.3338181632. Note that the first 3 decimals coincide. The cubic root of 18960223 is about 266.6538224716.

The spelling of 18960223 in words is "eighteen million, nine hundred sixty thousand, two hundred twenty-three".