442288037 has 2 divisors, whose sum is σ = 442288038. Its totient is φ = 442288036.

The previous prime is 442288027. The next prime is 442288069. The reversal of 442288037 is 730882244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399960001 + 42328036 = 19999^2 + 6506^2 .

It is a cyclic number.

It is not a de Polignac number, because 442288037 - 2¹⁴ = 442271653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442288027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221144018 + 221144019.

It is an arithmetic number, because the mean of its divisors is an integer number (221144019).

Almost surely, 2^442288037 is an apocalyptic number.

It is an amenable number.

442288037 is a deficient number, since it is larger than the sum of its proper divisors (1).

442288037 is an equidigital number, since it uses as much as digits as its factorization.

442288037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 442288037 is about 21030.6451874402. The cubic root of 442288037 is about 761.9065916782.

The spelling of 442288037 in words is "four hundred forty-two million, two hundred eighty-eight thousand, thirty-seven".