6422547 has 4 divisors (see below), whose sum is σ = 8563400. Its totient is φ = 4281696.

The previous prime is 6422539. The next prime is 6422557. The reversal of 6422547 is 7452246.

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

It is not a de Polignac number, because 6422547 - 2³ = 6422539 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6422557) 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, 1070422 + ... + 1070427.

It is an arithmetic number, because the mean of its divisors is an integer number (2140850).

Almost surely, 2^6422547 is an apocalyptic number.

6422547 is a deficient number, since it is larger than the sum of its proper divisors (2140853).

6422547 is a wasteful number, since it uses less digits than its factorization.

6422547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140852.

The product of its digits is 13440, while the sum is 30.

The square root of 6422547 is about 2534.2744523828. The cubic root of 6422547 is about 185.8813267735.

The spelling of 6422547 in words is "six million, four hundred twenty-two thousand, five hundred forty-seven".