422301731 has 2 divisors, whose sum is σ = 422301732. Its totient is φ = 422301730.

The previous prime is 422301713. The next prime is 422301749. The reversal of 422301731 is 137103224.

Together with previous prime (422301713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (422301713) and next prime (422301749).

It is a cyclic number.

It is not a de Polignac number, because 422301731 - 2²⁶ = 355192867 is a prime.

It is a super-2 number, since 2×422301731² = 356677504011192722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422301697 and 422301706.

It is not a weakly prime, because it can be changed into another prime (422301631) 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, 211150865 + 211150866.

It is an arithmetic number, because the mean of its divisors is an integer number (211150866).

Almost surely, 2^422301731 is an apocalyptic number.

422301731 is a deficient number, since it is larger than the sum of its proper divisors (1).

422301731 is an equidigital number, since it uses as much as digits as its factorization.

422301731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 422301731 is about 20549.9812895292. The cubic root of 422301731 is about 750.2527924147.

Adding to 422301731 its reverse (137103224), we get a palindrome (559404955).

The spelling of 422301731 in words is "four hundred twenty-two million, three hundred one thousand, seven hundred thirty-one".