6622039 has 4 divisors (see below), whose sum is σ = 6630624. Its totient is φ = 6613456.

The previous prime is 6622037. The next prime is 6622069. The reversal of 6622039 is 9302266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9302266 = 2 ⋅4651133.

It is a cyclic number.

It is not a de Polignac number, because 6622039 - 2¹ = 6622037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6621998 and 6622016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6622037) 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, 3007 + ... + 4720.

It is an arithmetic number, because the mean of its divisors is an integer number (1657656).

Almost surely, 2^6622039 is an apocalyptic number.

6622039 is a deficient number, since it is larger than the sum of its proper divisors (8585).

6622039 is an equidigital number, since it uses as much as digits as its factorization.

6622039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 6622039 is about 2573.3322754747. The cubic root of 6622039 is about 187.7863027562.

It can be divided in two parts, 662 and 2039, that added together give a triangular number (2701 = T₇₃).

The spelling of 6622039 in words is "six million, six hundred twenty-two thousand, thirty-nine".