223628430 has 16 divisors (see below), whose sum is σ = 536708304. Its totient is φ = 59634240.

The previous prime is 223628429. The next prime is 223628437. The reversal of 223628430 is 34826322.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 7454281 = 223628430 / (2 + 2 + 3 + 6 + 2 + 8 + 4 + 3 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223628437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3727111 + ... + 3727170.

It is an arithmetic number, because the mean of its divisors is an integer number (33544269).

Almost surely, 2^223628430 is an apocalyptic number.

223628430 is an abundant number, since it is smaller than the sum of its proper divisors (313079874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223628430 is a wasteful number, since it uses less digits than its factorization.

223628430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7454291.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 223628430 is about 14954.2111125930. The cubic root of 223628430 is about 606.9818033586.

The spelling of 223628430 in words is "two hundred twenty-three million, six hundred twenty-eight thousand, four hundred thirty".