6422544 has 40 divisors (see below), whose sum is σ = 18436320. Its totient is φ = 2140704.

The previous prime is 6422539. The next prime is 6422557. The reversal of 6422544 is 4452246.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7002 + ... + 7865.

It is an arithmetic number, because the mean of its divisors is an integer number (460908).

Almost surely, 2^6422544 is an apocalyptic number.

It is an amenable number.

6422544 is an abundant number, since it is smaller than the sum of its proper divisors (12013776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6422544 is a wasteful number, since it uses less digits than its factorization.

6422544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14884 (or 14872 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 6422544 is about 2534.2738604973. The cubic root of 6422544 is about 185.8812978315.

The spelling of 6422544 in words is "six million, four hundred twenty-two thousand, five hundred forty-four".