1722463 has 2 divisors, whose sum is σ = 1722464. Its totient is φ = 1722462.

The previous prime is 1722449. The next prime is 1722481. The reversal of 1722463 is 3642271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1722463 - 2⁵ = 1722431 is a prime.

1722463 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1722443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861231 + 861232.

It is an arithmetic number, because the mean of its divisors is an integer number (861232).

2^1722463 is an apocalyptic number.

1722463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1722463 is an equidigital number, since it uses as much as digits as its factorization.

1722463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 1722463 is about 1312.4263788876. The cubic root of 1722463 is about 119.8716915605.

The spelling of 1722463 in words is "one million, seven hundred twenty-two thousand, four hundred sixty-three".