1005422 has 16 divisors (see below), whose sum is σ = 1717632. Its totient is φ = 436920.

The previous prime is 1005413. The next prime is 1005427. The reversal of 1005422 is 2245001.

It is a junction number, because it is equal to n+sod(n) for n = 1005397 and 1005406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (107352).

2^1005422 is an apocalyptic number.

1005422 is a deficient number, since it is larger than the sum of its proper divisors (712210).

1005422 is a wasteful number, since it uses less digits than its factorization.

1005422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1005422 is about 1002.7073351681. The cubic root of 1005422 is about 100.1804076683.

The spelling of 1005422 in words is "one million, five thousand, four hundred twenty-two".