1922663 has 2 divisors, whose sum is σ = 1922664. Its totient is φ = 1922662.

The previous prime is 1922621. The next prime is 1922677. The reversal of 1922663 is 3662291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1922663 - 2⁸ = 1922407 is a prime.

It is a Sophie Germain 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 (1922603) 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, 961331 + 961332.

It is an arithmetic number, because the mean of its divisors is an integer number (961332).

2^1922663 is an apocalyptic number.

1922663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1922663 is an equidigital number, since it uses as much as digits as its factorization.

1922663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 1922663 is about 1386.6012404437. The cubic root of 1922663 is about 124.3467359157.

The spelling of 1922663 in words is "one million, nine hundred twenty-two thousand, six hundred sixty-three".