442230440437 has 2 divisors, whose sum is σ = 442230440438. Its totient is φ = 442230440436.

The previous prime is 442230440413. The next prime is 442230440461. The reversal of 442230440437 is 734044032244.

It is a balanced prime because it is at equal distance from previous prime (442230440413) and next prime (442230440461).

It can be written as a sum of positive squares in only one way, i.e., 433397072241 + 8833368196 = 658329^2 + 93986^2 .

It is a cyclic number.

It is not a de Polignac number, because 442230440437 - 2¹⁵ = 442230407669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442230440396 and 442230440405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442230440467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221115220218 + 221115220219.

It is an arithmetic number, because the mean of its divisors is an integer number (221115220219).

Almost surely, 2^442230440437 is an apocalyptic number.

It is an amenable number.

442230440437 is a deficient number, since it is larger than the sum of its proper divisors (1).

442230440437 is an equidigital number, since it uses as much as digits as its factorization.

442230440437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 37.

The spelling of 442230440437 in words is "four hundred forty-two billion, two hundred thirty million, four hundred forty thousand, four hundred thirty-seven".