442283783 has 2 divisors, whose sum is σ = 442283784. Its totient is φ = 442283782.

The previous prime is 442283773. The next prime is 442283801. The reversal of 442283783 is 387382244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442283783 - 2⁶ = 442283719 is a prime.

It is a super-2 number, since 2×442283783² = 391229889409582178, 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 442283783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442283753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221141891 + 221141892.

It is an arithmetic number, because the mean of its divisors is an integer number (221141892).

Almost surely, 2^442283783 is an apocalyptic number.

442283783 is a deficient number, since it is larger than the sum of its proper divisors (1).

442283783 is an equidigital number, since it uses as much as digits as its factorization.

442283783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 41.

The square root of 442283783 is about 21030.5440490730. The cubic root of 442283783 is about 761.9041489555.

The spelling of 442283783 in words is "four hundred forty-two million, two hundred eighty-three thousand, seven hundred eighty-three".