223204442 has 8 divisors (see below), whose sum is σ = 335133876. Its totient is φ = 111493152.

The previous prime is 223204439. The next prime is 223204453. The reversal of 223204442 is 244402322.

It can be written as a sum of positive squares in 2 ways, for example, as 221384641 + 1819801 = 14879^2 + 1349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×223204442³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51953 + ... + 56084.

Almost surely, 2^223204442 is an apocalyptic number.

223204442 is a deficient number, since it is larger than the sum of its proper divisors (111929434).

223204442 is a wasteful number, since it uses less digits than its factorization.

223204442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109072.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 223204442 is about 14940.0281793576. The cubic root of 223204442 is about 606.5979585808.

Adding to 223204442 its reverse (244402322), we get a palindrome (467606764).

It can be divided in two parts, 22320 and 4442, that added together give a palindrome (26762).

The spelling of 223204442 in words is "two hundred twenty-three million, two hundred four thousand, four hundred forty-two".