1822125 has 32 divisors (see below), whose sum is σ = 3129984. Its totient is φ = 940800.

The previous prime is 1822123. The next prime is 1822147. The reversal of 1822125 is 5212281.

It is a happy number.

It is not a de Polignac number, because 1822125 - 2¹ = 1822123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16069 + ... + 16181.

It is an arithmetic number, because the mean of its divisors is an integer number (97812).

2^1822125 is an apocalyptic number.

1822125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1822125 is a deficient number, since it is larger than the sum of its proper divisors (1307859).

1822125 is a wasteful number, since it uses less digits than its factorization.

1822125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 164 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 1822125 is about 1349.8611039659. The cubic root of 1822125 is about 122.1404143399.

The spelling of 1822125 in words is "one million, eight hundred twenty-two thousand, one hundred twenty-five".