1422907 has 2 divisors, whose sum is σ = 1422908. Its totient is φ = 1422906.

The previous prime is 1422899. The next prime is 1422923. The reversal of 1422907 is 7092241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1422907 - 2³ = 1422899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422937) 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, 711453 + 711454.

It is an arithmetic number, because the mean of its divisors is an integer number (711454).

2^1422907 is an apocalyptic number.

1422907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422907 is an equidigital number, since it uses as much as digits as its factorization.

1422907 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 25.

The square root of 1422907 is about 1192.8566552608. The cubic root of 1422907 is about 112.4757346842.

The spelling of 1422907 in words is "one million, four hundred twenty-two thousand, nine hundred seven".