442242037 has 2 divisors, whose sum is σ = 442242038. Its totient is φ = 442242036.

The previous prime is 442242023. The next prime is 442242071. The reversal of 442242037 is 730242244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414773956 + 27468081 = 20366^2 + 5241^2 .

It is a cyclic number.

It is not a de Polignac number, because 442242037 - 2¹⁵ = 442209269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442241996 and 442242014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442242077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221121018 + 221121019.

It is an arithmetic number, because the mean of its divisors is an integer number (221121019).

Almost surely, 2^442242037 is an apocalyptic number.

It is an amenable number.

442242037 is a deficient number, since it is larger than the sum of its proper divisors (1).

442242037 is an equidigital number, since it uses as much as digits as its factorization.

442242037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 442242037 is about 21029.5515168536. The cubic root of 442242037 is about 761.8801768268.

The spelling of 442242037 in words is "four hundred forty-two million, two hundred forty-two thousand, thirty-seven".