422031007 has 2 divisors, whose sum is σ = 422031008. Its totient is φ = 422031006.

The previous prime is 422030971. The next prime is 422031061. The reversal of 422031007 is 700130224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422031007 is a prime.

It is a super-2 number, since 2×422031007² = 356220341738868098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422031107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211015503 + 211015504.

It is an arithmetic number, because the mean of its divisors is an integer number (211015504).

Almost surely, 2^422031007 is an apocalyptic number.

422031007 is a deficient number, since it is larger than the sum of its proper divisors (1).

422031007 is an equidigital number, since it uses as much as digits as its factorization.

422031007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 422031007 is about 20543.3932688833. The cubic root of 422031007 is about 750.0924371993.

The spelling of 422031007 in words is "four hundred twenty-two million, thirty-one thousand, seven".