442277111 has 2 divisors, whose sum is σ = 442277112. Its totient is φ = 442277110.

The previous prime is 442277107. The next prime is 442277113. The reversal of 442277111 is 111772244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442277111 - 2² = 442277107 is a prime.

Together with 442277113, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442277113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221138555 + 221138556.

It is an arithmetic number, because the mean of its divisors is an integer number (221138556).

Almost surely, 2^442277111 is an apocalyptic number.

442277111 is a deficient number, since it is larger than the sum of its proper divisors (1).

442277111 is an equidigital number, since it uses as much as digits as its factorization.

442277111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3136, while the sum is 29.

The square root of 442277111 is about 21030.3854220506. The cubic root of 442277111 is about 761.9003177426.

The spelling of 442277111 in words is "four hundred forty-two million, two hundred seventy-seven thousand, one hundred eleven".