223322947 has 4 divisors (see below), whose sum is σ = 223638640. Its totient is φ = 223007256.

The previous prime is 223322929. The next prime is 223322963. The reversal of 223322947 is 749223322.

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

It is a cyclic number.

It is not a de Polignac number, because 223322947 - 2¹¹ = 223320899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223322147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156783 + ... + 158200.

It is an arithmetic number, because the mean of its divisors is an integer number (55909660).

Almost surely, 2^223322947 is an apocalyptic number.

223322947 is a deficient number, since it is larger than the sum of its proper divisors (315693).

223322947 is an equidigital number, since it uses as much as digits as its factorization.

223322947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315692.

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

The square root of 223322947 is about 14943.9936763905. The cubic root of 223322947 is about 606.7052924259.

The spelling of 223322947 in words is "two hundred twenty-three million, three hundred twenty-two thousand, nine hundred forty-seven".