1922385 has 8 divisors (see below), whose sum is σ = 3075840. Its totient is φ = 1025264.

The previous prime is 1922383. The next prime is 1922387. The reversal of 1922385 is 5832291.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1922383) and next prime (1922387).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1922385 - 2¹ = 1922383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1922383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64065 + ... + 64094.

It is an arithmetic number, because the mean of its divisors is an integer number (384480).

2^1922385 is an apocalyptic number.

1922385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1922385 is a deficient number, since it is larger than the sum of its proper divisors (1153455).

1922385 is a wasteful number, since it uses less digits than its factorization.

1922385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128167.

The product of its digits is 4320, while the sum is 30.

The square root of 1922385 is about 1386.5009917054. The cubic root of 1922385 is about 124.3407424821.

The spelling of 1922385 in words is "one million, nine hundred twenty-two thousand, three hundred eighty-five".