1422630893 has 2 divisors, whose sum is σ = 1422630894. Its totient is φ = 1422630892.

The previous prime is 1422630829. The next prime is 1422630943. The reversal of 1422630893 is 3980362241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155864004 + 266766889 = 33998^2 + 16333^2 .

It is an emirp because it is prime and its reverse (3980362241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1422630893 - 2⁶ = 1422630829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422630493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711315446 + 711315447.

It is an arithmetic number, because the mean of its divisors is an integer number (711315447).

Almost surely, 2^1422630893 is an apocalyptic number.

It is an amenable number.

1422630893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422630893 is an equidigital number, since it uses as much as digits as its factorization.

1422630893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1422630893 is about 37717.7795343257. The cubic root of 1422630893 is about 1124.6845912171.

The spelling of 1422630893 in words is "one billion, four hundred twenty-two million, six hundred thirty thousand, eight hundred ninety-three".