1894422 has 16 divisors (see below), whose sum is σ = 3843072. Its totient is φ = 622440.

The previous prime is 1894411. The next prime is 1894439. The reversal of 1894422 is 2244981.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1894422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1798 + ... + 2649.

It is an arithmetic number, because the mean of its divisors is an integer number (240192).

2^1894422 is an apocalyptic number.

1894422 is an abundant number, since it is smaller than the sum of its proper divisors (1948650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1894422 is a wasteful number, since it uses less digits than its factorization.

1894422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523.

The product of its digits is 4608, while the sum is 30.

The square root of 1894422 is about 1376.3800347288. The cubic root of 1894422 is about 123.7349088831.

The spelling of 1894422 in words is "one million, eight hundred ninety-four thousand, four hundred twenty-two".