622045073 has 8 divisors (see below), whose sum is σ = 688000488. Its totient is φ = 558676224.

The previous prime is 622045063. The next prime is 622045087. The reversal of 622045073 is 370540226.

It can be written as a sum of positive squares in 4 ways, for example, as 248125504 + 373919569 = 15752^2 + 19337^2 .

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 622045073 - 2¹⁴ = 622028689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622045003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646136 + ... + 647097.

It is an arithmetic number, because the mean of its divisors is an integer number (86000061).

Almost surely, 2^622045073 is an apocalyptic number.

It is an amenable number.

622045073 is a deficient number, since it is larger than the sum of its proper divisors (65955415).

622045073 is a wasteful number, since it uses less digits than its factorization.

622045073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293283.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 622045073 is about 24940.8314416340. The cubic root of 622045073 is about 853.6384164910.

Adding to 622045073 its reverse (370540226), we get a palindrome (992585299).

The spelling of 622045073 in words is "six hundred twenty-two million, forty-five thousand, seventy-three".