1022825 has 12 divisors (see below), whose sum is σ = 1281168. Its totient is φ = 810000.

The previous prime is 1022821. The next prime is 1022837. The reversal of 1022825 is 5282201.

It is not a de Polignac number, because 1022825 - 2² = 1022821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 1022797 and 1022806.

It is not an unprimeable number, because it can be changed into a prime (1022821) 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 11 ways as a sum of consecutive naturals, for example, 3950 + ... + 4200.

It is an arithmetic number, because the mean of its divisors is an integer number (106764).

2^1022825 is an apocalyptic number.

It is an amenable number.

1022825 is a deficient number, since it is larger than the sum of its proper divisors (258343).

1022825 is a wasteful number, since it uses less digits than its factorization.

1022825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 419 counting only the distinct ones).

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

The square root of 1022825 is about 1011.3481101975. The cubic root of 1022825 is about 100.7551169647.

The spelling of 1022825 in words is "one million, twenty-two thousand, eight hundred twenty-five".