1722544 has 20 divisors (see below), whose sum is σ = 3360400. Its totient is φ = 855360.

The previous prime is 1722529. The next prime is 1722551. The reversal of 1722544 is 4452271.

It is a super-3 number, since 3×1722544³ = 15333179761363095552, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2914 + ... + 3454.

It is an arithmetic number, because the mean of its divisors is an integer number (168020).

2^1722544 is an apocalyptic number.

It is an amenable number.

1722544 is a deficient number, since it is larger than the sum of its proper divisors (1637856).

1722544 is a wasteful number, since it uses less digits than its factorization.

1722544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 742 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 1722544 is about 1312.4572373986. The cubic root of 1722544 is about 119.8735705471.

The spelling of 1722544 in words is "one million, seven hundred twenty-two thousand, five hundred forty-four".