223445770 has 16 divisors (see below), whose sum is σ = 402462720. Its totient is φ = 89320464.

The previous prime is 223445741. The next prime is 223445771. The reversal of 223445770 is 77544322.

It is not an unprimeable number, because it can be changed into a prime (223445771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11239 + ... + 23941.

It is an arithmetic number, because the mean of its divisors is an integer number (25153920).

Almost surely, 2^223445770 is an apocalyptic number.

223445770 is a deficient number, since it is larger than the sum of its proper divisors (179016950).

223445770 is a wasteful number, since it uses less digits than its factorization.

223445770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14469.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 223445770 is about 14948.1025551740. The cubic root of 223445770 is about 606.8164971607.

The spelling of 223445770 in words is "two hundred twenty-three million, four hundred forty-five thousand, seven hundred seventy".