42222222223 has 2 divisors, whose sum is σ = 42222222224. Its totient is φ = 42222222222.

The previous prime is 42222222151. The next prime is 42222222241. The reversal of 42222222223 is 32222222224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42222222223 - 2¹⁷ = 42222091151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42222222283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21111111111 + 21111111112.

It is an arithmetic number, because the mean of its divisors is an integer number (21111111112).

Almost surely, 2^42222222223 is an apocalyptic number.

42222222223 is a deficient number, since it is larger than the sum of its proper divisors (1).

42222222223 is an equidigital number, since it uses as much as digits as its factorization.

42222222223 is an evil number, because the sum of its binary digits is even.

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

Adding to 42222222223 its reverse (32222222224), we get a palindrome (74444444447).

Subtracting from 42222222223 its reverse (32222222224), we obtain a palindrome (9999999999).

The spelling of 42222222223 in words is "forty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-three".