1622838623 has 16 divisors (see below), whose sum is σ = 1997746176. Its totient is φ = 1287601920.

The previous prime is 1622838599. The next prime is 1622838631. The reversal of 1622838623 is 3268382261.

It is a cyclic number.

It is not a de Polignac number, because 1622838623 - 2⁶ = 1622838559 is a prime.

It is a super-2 number, since 2×1622838623² = 5267210392601072258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622838653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157586 + ... + 167567.

It is an arithmetic number, because the mean of its divisors is an integer number (124859136).

Almost surely, 2^1622838623 is an apocalyptic number.

1622838623 is a deficient number, since it is larger than the sum of its proper divisors (374907553).

1622838623 is a wasteful number, since it uses less digits than its factorization.

1622838623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325214.

The product of its digits is 165888, while the sum is 41.

The square root of 1622838623 is about 40284.4712389278. The cubic root of 1622838623 is about 1175.1458694413.

The spelling of 1622838623 in words is "one billion, six hundred twenty-two million, eight hundred thirty-eight thousand, six hundred twenty-three".