1694422 has 8 divisors (see below), whose sum is σ = 2547216. Its totient is φ = 845352.

The previous prime is 1694393. The next prime is 1694423. The reversal of 1694422 is 2244961.

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

It is a d-powerful number, because it can be written as 1 + 6⁸ + 9⁴ + 4 + 4² + 2⁵ + 2¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1694423) 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 in 3 ways as a sum of consecutive naturals, for example, 1063 + ... + 2125.

It is an arithmetic number, because the mean of its divisors is an integer number (318402).

2^1694422 is an apocalyptic number.

1694422 is the 1063-rd pentagonal number.

1694422 is a deficient number, since it is larger than the sum of its proper divisors (852794).

1694422 is a wasteful number, since it uses less digits than its factorization.

1694422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862.

The product of its digits is 3456, while the sum is 28.

The square root of 1694422 is about 1301.6996581393. The cubic root of 1694422 is about 119.2176418643.

It can be divided in two parts, 1694 and 422, that added together give a square (2116 = 46²).

The spelling of 1694422 in words is "one million, six hundred ninety-four thousand, four hundred twenty-two".