442213727 has 2 divisors, whose sum is σ = 442213728. Its totient is φ = 442213726.

The previous prime is 442213703. The next prime is 442213747. The reversal of 442213727 is 727312244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442213727 - 2¹⁸ = 441951583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442213693 and 442213702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442213747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221106863 + 221106864.

It is an arithmetic number, because the mean of its divisors is an integer number (221106864).

Almost surely, 2^442213727 is an apocalyptic number.

442213727 is a deficient number, since it is larger than the sum of its proper divisors (1).

442213727 is an equidigital number, since it uses as much as digits as its factorization.

442213727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 32.

The square root of 442213727 is about 21028.8784056592. The cubic root of 442213727 is about 761.8639192979.

The spelling of 442213727 in words is "four hundred forty-two million, two hundred thirteen thousand, seven hundred twenty-seven".