422530242437 has 2 divisors, whose sum is σ = 422530242438. Its totient is φ = 422530242436.

The previous prime is 422530242413. The next prime is 422530242493. The reversal of 422530242437 is 734242035224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379611247876 + 42918994561 = 616126^2 + 207169^2 .

It is a cyclic number.

It is not a de Polignac number, because 422530242437 - 2³² = 418235275141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422530242437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422530242037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211265121218 + 211265121219.

It is an arithmetic number, because the mean of its divisors is an integer number (211265121219).

Almost surely, 2^422530242437 is an apocalyptic number.

It is an amenable number.

422530242437 is a deficient number, since it is larger than the sum of its proper divisors (1).

422530242437 is an equidigital number, since it uses as much as digits as its factorization.

422530242437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 38.

The spelling of 422530242437 in words is "four hundred twenty-two billion, five hundred thirty million, two hundred forty-two thousand, four hundred thirty-seven".