1422461 has 2 divisors, whose sum is σ = 1422462. Its totient is φ = 1422460.

The previous prime is 1422439. The next prime is 1422469. The reversal of 1422461 is 1642241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1196836 + 225625 = 1094^2 + 475^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422461 - 2¹⁰ = 1421437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422469) 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, 711230 + 711231.

It is an arithmetic number, because the mean of its divisors is an integer number (711231).

2^1422461 is an apocalyptic number.

It is an amenable number.

1422461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422461 is an equidigital number, since it uses as much as digits as its factorization.

1422461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 20.

The square root of 1422461 is about 1192.6696944251. The cubic root of 1422461 is about 112.4639818853.

The spelling of 1422461 in words is "one million, four hundred twenty-two thousand, four hundred sixty-one".