1622343 has 4 divisors (see below), whose sum is σ = 2163128. Its totient is φ = 1081560.

The previous prime is 1622333. The next prime is 1622359. The reversal of 1622343 is 3432261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1622343 - 2⁵ = 1622311 is a prime.

It is a d-powerful number, because it can be written as 1 + 6⁵ + 2⁵ + 2⁹ + 3⁹ + 4² + 3¹³ .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270388 + ... + 270393.

It is an arithmetic number, because the mean of its divisors is an integer number (540782).

2^1622343 is an apocalyptic number.

1622343 is a deficient number, since it is larger than the sum of its proper divisors (540785).

1622343 is an equidigital number, since it uses as much as digits as its factorization.

1622343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540784.

The product of its digits is 864, while the sum is 21.

The square root of 1622343 is about 1273.7122909040. The cubic root of 1622343 is about 117.5026225460.

The spelling of 1622343 in words is "one million, six hundred twenty-two thousand, three hundred forty-three".