422101237 has 2 divisors, whose sum is σ = 422101238. Its totient is φ = 422101236.

The previous prime is 422101213. The next prime is 422101241. The reversal of 422101237 is 732101224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387538596 + 34562641 = 19686^2 + 5879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422101237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422101297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211050618 + 211050619.

It is an arithmetic number, because the mean of its divisors is an integer number (211050619).

Almost surely, 2^422101237 is an apocalyptic number.

It is an amenable number.

422101237 is a deficient number, since it is larger than the sum of its proper divisors (1).

422101237 is an equidigital number, since it uses as much as digits as its factorization.

422101237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 422101237 is about 20545.1025064369. The cubic root of 422101237 is about 750.1340424125.

The spelling of 422101237 in words is "four hundred twenty-two million, one hundred one thousand, two hundred thirty-seven".