442223011 has 2 divisors, whose sum is σ = 442223012. Its totient is φ = 442223010.

The previous prime is 442222993. The next prime is 442223063. The reversal of 442223011 is 110322244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442223011 - 2⁷ = 442222883 is a prime.

It is a super-2 number, since 2×442223011² = 391122382915812242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442223011.

It is not a weakly prime, because it can be changed into another prime (442223311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221111505 + 221111506.

It is an arithmetic number, because the mean of its divisors is an integer number (221111506).

Almost surely, 2^442223011 is an apocalyptic number.

442223011 is a deficient number, since it is larger than the sum of its proper divisors (1).

442223011 is an equidigital number, since it uses as much as digits as its factorization.

442223011 is an evil number, because the sum of its binary digits is even.

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

The square root of 442223011 is about 21029.0991485608. The cubic root of 442223011 is about 761.8692508791.

Adding to 442223011 its reverse (110322244), we get a palindrome (552545255).

The spelling of 442223011 in words is "four hundred forty-two million, two hundred twenty-three thousand, eleven".