1922047 has 2 divisors, whose sum is σ = 1922048. Its totient is φ = 1922046.

The previous prime is 1922027. The next prime is 1922077. The reversal of 1922047 is 7402291.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1922047 - 2⁷ = 1921919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1922027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961023 + 961024.

It is an arithmetic number, because the mean of its divisors is an integer number (961024).

2^1922047 is an apocalyptic number.

1922047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1922047 is an equidigital number, since it uses as much as digits as its factorization.

1922047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1922047 is about 1386.3790967841. The cubic root of 1922047 is about 124.3334547234. Note that the first 3 decimals are identical.

The spelling of 1922047 in words is "one million, nine hundred twenty-two thousand, forty-seven".