223011442 has 4 divisors (see below), whose sum is σ = 334517166. Its totient is φ = 111505720.

The previous prime is 223011413. The next prime is 223011487. The reversal of 223011442 is 244110322.

223011442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244110322 = 2 ⋅122055161.

It can be written as a sum of positive squares in only one way, i.e., 201952521 + 21058921 = 14211^2 + 4589^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55752859 + ... + 55752862.

Almost surely, 2^223011442 is an apocalyptic number.

223011442 is a deficient number, since it is larger than the sum of its proper divisors (111505724).

223011442 is a wasteful number, since it uses less digits than its factorization.

223011442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111505723.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 223011442 is about 14933.5676246502. The cubic root of 223011442 is about 606.4230708340.

Adding to 223011442 its reverse (244110322), we get a palindrome (467121764).

The spelling of 223011442 in words is "two hundred twenty-three million, eleven thousand, four hundred forty-two".