6922431 has 6 divisors (see below), whose sum is σ = 9999080. Its totient is φ = 4614948.

The previous prime is 6922427. The next prime is 6922457. The reversal of 6922431 is 1342296.

It is not a de Polignac number, because 6922431 - 2² = 6922427 is a prime.

It is a super-2 number, since 2×6922431² = 95840101899522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6922395 and 6922404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6922231) 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 5 ways as a sum of consecutive naturals, for example, 384571 + ... + 384588.

Almost surely, 2^6922431 is an apocalyptic number.

6922431 is a deficient number, since it is larger than the sum of its proper divisors (3076649).

6922431 is a wasteful number, since it uses less digits than its factorization.

6922431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769165 (or 769162 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 6922431 is about 2631.0513107881. The cubic root of 6922431 is about 190.5839008771.

It can be divided in two parts, 69 and 22431, that added together give a square (22500 = 150²).

The spelling of 6922431 in words is "six million, nine hundred twenty-two thousand, four hundred thirty-one".