1622325 has 24 divisors (see below), whose sum is σ = 2722048. Its totient is φ = 852480.

The previous prime is 1622311. The next prime is 1622333. The reversal of 1622325 is 5232261.

It is not a de Polignac number, because 1622325 - 2¹⁴ = 1605941 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7164 + ... + 7386.

2^1622325 is an apocalyptic number.

1622325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1622325 is a deficient number, since it is larger than the sum of its proper divisors (1099723).

1622325 is a wasteful number, since it uses less digits than its factorization.

1622325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 328 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 1622325 is about 1273.7052249245. The cubic root of 1622325 is about 117.5021879780.

Adding to 1622325 its reverse (5232261), we get a palindrome (6854586).

The spelling of 1622325 in words is "one million, six hundred twenty-two thousand, three hundred twenty-five".