223242442 has 8 divisors (see below), whose sum is σ = 335013732. Its totient is φ = 111571200.

The previous prime is 223242403. The next prime is 223242443. The reversal of 223242442 is 244242322.

223242442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 221444161 + 1798281 = 14881^2 + 1341^2 .

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

It is a super-3 number, since 3×223242442³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223242443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19159 + ... + 28522.

Almost surely, 2^223242442 is an apocalyptic number.

223242442 is a deficient number, since it is larger than the sum of its proper divisors (111771290).

223242442 is a wasteful number, since it uses less digits than its factorization.

223242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50024.

The product of its digits is 6144, while the sum is 25.

The square root of 223242442 is about 14941.2998765168. The cubic root of 223242442 is about 606.6323805577.

Adding to 223242442 its reverse (244242322), we get a palindrome (467484764).

The spelling of 223242442 in words is "two hundred twenty-three million, two hundred forty-two thousand, four hundred forty-two".