223164434 has 4 divisors (see below), whose sum is σ = 334746654. Its totient is φ = 111582216.

The previous prime is 223164421. The next prime is 223164439. The reversal of 223164434 is 434461322.

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., 155875225 + 67289209 = 12485^2 + 8203^2 .

It is a super-3 number, since 3×223164434³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223164397 and 223164406.

It is not an unprimeable number, because it can be changed into a prime (223164439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55791107 + ... + 55791110.

Almost surely, 2^223164434 is an apocalyptic number.

223164434 is a deficient number, since it is larger than the sum of its proper divisors (111582220).

223164434 is a wasteful number, since it uses less digits than its factorization.

223164434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111582219.

The product of its digits is 13824, while the sum is 29.

The square root of 223164434 is about 14938.6891660547. The cubic root of 223164434 is about 606.5617134520.

The spelling of 223164434 in words is "two hundred twenty-three million, one hundred sixty-four thousand, four hundred thirty-four".