1722325 has 12 divisors (see below), whose sum is σ = 2330208. Its totient is φ = 1252400.

The previous prime is 1722323. The next prime is 1722359. The reversal of 1722325 is 5232271.

It is not a de Polignac number, because 1722325 - 2¹ = 1722323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1722296 and 1722305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1722323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2857 + ... + 3406.

It is an arithmetic number, because the mean of its divisors is an integer number (194184).

2^1722325 is an apocalyptic number.

It is an amenable number.

1722325 is a deficient number, since it is larger than the sum of its proper divisors (607883).

1722325 is a wasteful number, since it uses less digits than its factorization.

1722325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6284 (or 6279 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 1722325 is about 1312.3738034569. The cubic root of 1722325 is about 119.8684901883.

Adding to 1722325 its reverse (5232271), we get a palindrome (6954596).

The spelling of 1722325 in words is "one million, seven hundred twenty-two thousand, three hundred twenty-five".