1622479 has 2 divisors, whose sum is σ = 1622480. Its totient is φ = 1622478.

The previous prime is 1622473. The next prime is 1622483. The reversal of 1622479 is 9742261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1622479 - 2³ = 1622471 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1622479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1622471) 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, 811239 + 811240.

It is an arithmetic number, because the mean of its divisors is an integer number (811240).

2^1622479 is an apocalyptic number.

1622479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622479 is an equidigital number, since it uses as much as digits as its factorization.

1622479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 1622479 is about 1273.7656770380. The cubic root of 1622479 is about 117.5059058447.

The spelling of 1622479 in words is "one million, six hundred twenty-two thousand, four hundred seventy-nine".