6622403443 has 4 divisors (see below), whose sum is σ = 6674548480. Its totient is φ = 6570258408.

The previous prime is 6622403413. The next prime is 6622403453. The reversal of 6622403443 is 3443042266.

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

It is a cyclic number.

It is not a de Polignac number, because 6622403443 - 2¹³ = 6622395251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6622403399 and 6622403408.

It is not an unprimeable number, because it can be changed into a prime (6622403413) 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, 26072328 + ... + 26072581.

It is an arithmetic number, because the mean of its divisors is an integer number (1668637120).

Almost surely, 2^6622403443 is an apocalyptic number.

6622403443 is a deficient number, since it is larger than the sum of its proper divisors (52145037).

6622403443 is a wasteful number, since it uses less digits than its factorization.

6622403443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52145036.

The product of its (nonzero) digits is 82944, while the sum is 34.

The square root of 6622403443 is about 81378.1508944508. The cubic root of 6622403443 is about 1877.8974762407.

The spelling of 6622403443 in words is "six billion, six hundred twenty-two million, four hundred three thousand, four hundred forty-three".