223440430 has 16 divisors (see below), whose sum is σ = 402853680. Its totient is φ = 89229312.

The previous prime is 223440419. The next prime is 223440431. The reversal of 223440430 is 34044322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223440431) 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, 11859 + ... + 24238.

It is an arithmetic number, because the mean of its divisors is an integer number (25178355).

Almost surely, 2^223440430 is an apocalyptic number.

223440430 is a deficient number, since it is larger than the sum of its proper divisors (179413250).

223440430 is a wasteful number, since it uses less digits than its factorization.

223440430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36723.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 223440430 is about 14947.9239361190. The cubic root of 223440430 is about 606.8116631378.

Adding to 223440430 its reverse (34044322), we get a palindrome (257484752).

The spelling of 223440430 in words is "two hundred twenty-three million, four hundred forty thousand, four hundred thirty".