221442140223 has 10 divisors (see below), whose sum is σ = 330796283664. Its totient is φ = 147628093428.

The previous prime is 221442140189. The next prime is 221442140237. The reversal of 221442140223 is 322041244122.

It is a happy number.

221442140223 is a `hidden beast` number, since 2 + 2 + 14 + 421 + 4 + 0 + 223 = 666.

It is not a de Polignac number, because 221442140223 - 2¹⁶ = 221442074687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221442140923) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1366926711 + ... + 1366926872.

Almost surely, 2^221442140223 is an apocalyptic number.

221442140223 is a deficient number, since it is larger than the sum of its proper divisors (109354143441).

221442140223 is an equidigital number, since it uses as much as digits as its factorization.

221442140223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733853595 (or 2733853586 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 221442140223 its reverse (322041244122), we get a palindrome (543483384345).

The spelling of 221442140223 in words is "two hundred twenty-one billion, four hundred forty-two million, one hundred forty thousand, two hundred twenty-three".