223111442 has 16 divisors (see below), whose sum is σ = 347169240. Its totient is φ = 107409792.

The previous prime is 223111439. The next prime is 223111457. The reversal of 223111442 is 244111322.

223111442 is digitally balanced in base 3, 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 4 ways, for example, as 188760121 + 34351321 = 13739^2 + 5861^2 .

It is a super-3 number, since 3×223111442³ (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 7 ways as a sum of consecutive naturals, for example, 16478 + ... + 26790.

Almost surely, 2^223111442 is an apocalyptic number.

223111442 is a deficient number, since it is larger than the sum of its proper divisors (124057798).

223111442 is a wasteful number, since it uses less digits than its factorization.

223111442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10717.

The product of its digits is 384, while the sum is 20.

The square root of 223111442 is about 14936.9154111550. The cubic root of 223111442 is about 606.5136988374.

Adding to 223111442 its reverse (244111322), we get a palindrome (467222764).

The spelling of 223111442 in words is "two hundred twenty-three million, one hundred eleven thousand, four hundred forty-two".