5664220 has 12 divisors (see below), whose sum is σ = 11894904. Its totient is φ = 2265680.

The previous prime is 5664209. The next prime is 5664257. The reversal of 5664220 is 224665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141586 + ... + 141625.

It is an arithmetic number, because the mean of its divisors is an integer number (991242).

Almost surely, 2^5664220 is an apocalyptic number.

It is an amenable number.

5664220 is an abundant number, since it is smaller than the sum of its proper divisors (6230684).

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

5664220 is a wasteful number, since it uses less digits than its factorization.

5664220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283220 (or 283218 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 5664220 is about 2379.9621845735. The cubic root of 5664220 is about 178.2570456206.

Adding to 5664220 its reverse (224665), we get a palindrome (5888885).

It can be divided in two parts, 5 and 664220, that added together give a square (664225 = 815²).

The spelling of 5664220 in words is "five million, six hundred sixty-four thousand, two hundred twenty".