6622431 has 16 divisors (see below), whose sum is σ = 9354240. Its totient is φ = 4155840.

The previous prime is 6622423. The next prime is 6622457. The reversal of 6622431 is 1342266.

It is not a de Polignac number, because 6622431 - 2³ = 6622423 is a prime.

It is a super-2 number, since 2×6622431² = 87713184699522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6622531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12451 + ... + 12971.

It is an arithmetic number, because the mean of its divisors is an integer number (584640).

Almost surely, 2^6622431 is an apocalyptic number.

6622431 is a deficient number, since it is larger than the sum of its proper divisors (2731809).

6622431 is a wasteful number, since it uses less digits than its factorization.

6622431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its digits is 1728, while the sum is 24.

The square root of 6622431 is about 2573.4084401820. The cubic root of 6622431 is about 187.7900080992.

Adding to 6622431 its reverse (1342266), we get a palindrome (7964697).

The spelling of 6622431 in words is "six million, six hundred twenty-two thousand, four hundred thirty-one".