223494073 has 4 divisors (see below), whose sum is σ = 243811728. Its totient is φ = 203176420.

The previous prime is 223494067. The next prime is 223494079. The reversal of 223494073 is 370494322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (223494067) and next prime (223494079).

It is a cyclic number.

It is not a de Polignac number, because 223494073 - 2¹³ = 223485881 is a prime.

It is a super-2 number, since 2×223494073² = 99899201332258658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223494079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10158811 + ... + 10158832.

It is an arithmetic number, because the mean of its divisors is an integer number (60952932).

Almost surely, 2^223494073 is an apocalyptic number.

It is an amenable number.

223494073 is a deficient number, since it is larger than the sum of its proper divisors (20317655).

223494073 is a wasteful number, since it uses less digits than its factorization.

223494073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20317654.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 223494073 is about 14949.7181578784. The cubic root of 223494073 is about 606.8602198433.

The spelling of 223494073 in words is "two hundred twenty-three million, four hundred ninety-four thousand, seventy-three".