1822425 has 36 divisors (see below), whose sum is σ = 3358416. Its totient is φ = 864800.

The previous prime is 1822411. The next prime is 1822427. The reversal of 1822425 is 5242281.

It is not a de Polignac number, because 1822425 - 2⁵ = 1822393 is a prime.

1822425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1822395 and 1822404.

It is not an unprimeable number, because it can be changed into a prime (1822427) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38752 + ... + 38798.

2^1822425 is an apocalyptic number.

1822425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1822425 is a deficient number, since it is larger than the sum of its proper divisors (1535991).

1822425 is a wasteful number, since it uses less digits than its factorization.

1822425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 66 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 1822425 is about 1349.9722219364. The cubic root of 1822425 is about 122.1471171574.

The spelling of 1822425 in words is "one million, eight hundred twenty-two thousand, four hundred twenty-five".