6622433 has 4 divisors (see below), whose sum is σ = 6627588. Its totient is φ = 6617280.

The previous prime is 6622423. The next prime is 6622457. The reversal of 6622433 is 3342266.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3342266 = 2 ⋅1671133.

It can be written as a sum of positive squares in 2 ways, for example, as 3972049 + 2650384 = 1993^2 + 1628^2 .

It is a cyclic number.

It is not a de Polignac number, because 6622433 - 2⁸ = 6622177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6622423) 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, 1085 + ... + 3797.

It is an arithmetic number, because the mean of its divisors is an integer number (1656897).

Almost surely, 2^6622433 is an apocalyptic number.

It is an amenable number.

6622433 is a deficient number, since it is larger than the sum of its proper divisors (5155).

6622433 is a wasteful number, since it uses less digits than its factorization.

6622433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154.

The product of its digits is 5184, while the sum is 26.

The square root of 6622433 is about 2573.4088287717. The cubic root of 6622433 is about 187.7900270037.

Adding to 6622433 its reverse (3342266), we get a palindrome (9964699).

The spelling of 6622433 in words is "six million, six hundred twenty-two thousand, four hundred thirty-three".