223994 has 4 divisors (see below), whose sum is σ = 335994. Its totient is φ = 111996.

The previous prime is 223969. The next prime is 223999. The reversal of 223994 is 499322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 126025 + 97969 = 355^2 + 313^2 .

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (223999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55997 + ... + 56000.

2²²³⁹⁹⁴ is an apocalyptic number.

223994 is a deficient number, since it is larger than the sum of its proper divisors (112000).

223994 is a wasteful number, since it uses less digits than its factorization.

223994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111999.

The product of its digits is 3888, while the sum is 29.

The square root of 223994 is about 473.2800439486. The cubic root of 223994 is about 60.7312371846.

The spelling of 223994 in words is "two hundred twenty-three thousand, nine hundred ninety-four".