622347545 has 8 divisors (see below), whose sum is σ = 746953224. Its totient is φ = 497787264.

The previous prime is 622347533. The next prime is 622347553. The reversal of 622347545 is 545743226.

It can be written as a sum of positive squares in 4 ways, for example, as 108826624 + 513520921 = 10432^2 + 22661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 622347545 - 2¹⁰ = 622346521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 622347499 and 622347508.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 39677 + ... + 53093.

It is an arithmetic number, because the mean of its divisors is an integer number (93369153).

Almost surely, 2^622347545 is an apocalyptic number.

It is an amenable number.

622347545 is a deficient number, since it is larger than the sum of its proper divisors (124605679).

622347545 is a wasteful number, since it uses less digits than its factorization.

622347545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22699.

The product of its digits is 201600, while the sum is 38.

The square root of 622347545 is about 24946.8944961091. The cubic root of 622347545 is about 853.7767558124.

The spelling of 622347545 in words is "six hundred twenty-two million, three hundred forty-seven thousand, five hundred forty-five".