6551922 has 32 divisors (see below), whose sum is σ = 14857920. Its totient is φ = 1909440.

The previous prime is 6551921. The next prime is 6551947. The reversal of 6551922 is 2291556.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 6551922.

It is not an unprimeable number, because it can be changed into a prime (6551921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 729 + ... + 3692.

It is an arithmetic number, because the mean of its divisors is an integer number (464310).

Almost surely, 2^6551922 is an apocalyptic number.

6551922 is an abundant number, since it is smaller than the sum of its proper divisors (8305998).

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

6551922 is a wasteful number, since it uses less digits than its factorization.

6551922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458.

The product of its digits is 5400, while the sum is 30.

The square root of 6551922 is about 2559.6722446438. The cubic root of 6551922 is about 187.1211621969.

The spelling of 6551922 in words is "six million, five hundred fifty-one thousand, nine hundred twenty-two".