1025822 has 16 divisors (see below), whose sum is σ = 1797120. Its totient is φ = 430008.

The previous prime is 1025819. The next prime is 1025839. The reversal of 1025822 is 2285201.

It is a junction number, because it is equal to n+sod(n) for n = 1025794 and 1025803.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 122 + ... + 1437.

It is an arithmetic number, because the mean of its divisors is an integer number (112320).

2^1025822 is an apocalyptic number.

1025822 is a deficient number, since it is larger than the sum of its proper divisors (771298).

1025822 is a wasteful number, since it uses less digits than its factorization.

1025822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1025822 is about 1012.8287120733. The cubic root of 1025822 is about 100.8534291997.

The spelling of 1025822 in words is "one million, twenty-five thousand, eight hundred twenty-two".