442022071 has 2 divisors, whose sum is σ = 442022072. Its totient is φ = 442022070.

The previous prime is 442022051. The next prime is 442022167. The reversal of 442022071 is 170220244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442022071 - 2¹¹ = 442020023 is a prime.

It is a super-2 number, since 2×442022071² = 390767022502258082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442022051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221011035 + 221011036.

It is an arithmetic number, because the mean of its divisors is an integer number (221011036).

Almost surely, 2^442022071 is an apocalyptic number.

442022071 is a deficient number, since it is larger than the sum of its proper divisors (1).

442022071 is an equidigital number, since it uses as much as digits as its factorization.

442022071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 442022071 is about 21024.3209402825. The cubic root of 442022071 is about 761.7538391248.

The spelling of 442022071 in words is "four hundred forty-two million, twenty-two thousand, seventy-one".