223548434 has 4 divisors (see below), whose sum is σ = 335322654. Its totient is φ = 111774216.

The previous prime is 223548421. The next prime is 223548439. The reversal of 223548434 is 434845322.

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

It can be written as a sum of positive squares in only one way, i.e., 223054225 + 494209 = 14935^2 + 703^2 .

It is a junction number, because it is equal to n+sod(n) for n = 223548394 and 223548403.

It is not an unprimeable number, because it can be changed into a prime (223548439) 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 as a sum of consecutive naturals, namely, 55887107 + ... + 55887110.

Almost surely, 2^223548434 is an apocalyptic number.

223548434 is a deficient number, since it is larger than the sum of its proper divisors (111774220).

223548434 is a wasteful number, since it uses less digits than its factorization.

223548434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111774219.

The product of its digits is 92160, while the sum is 35.

The square root of 223548434 is about 14951.5361752564. The cubic root of 223548434 is about 606.9094185441.

The spelling of 223548434 in words is "two hundred twenty-three million, five hundred forty-eight thousand, four hundred thirty-four".