5221864 has 8 divisors (see below), whose sum is σ = 9791010. Its totient is φ = 2610928.

The previous prime is 5221849. The next prime is 5221889. The reversal of 5221864 is 4681225.

It can be written as a sum of positive squares in only one way, i.e., 3880900 + 1340964 = 1970^2 + 1158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326359 + ... + 326374.

Almost surely, 2^5221864 is an apocalyptic number.

It is an amenable number.

5221864 is a deficient number, since it is larger than the sum of its proper divisors (4569146).

5221864 is a wasteful number, since it uses less digits than its factorization.

5221864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652739 (or 652735 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 5221864 is about 2285.1398206674. The cubic root of 5221864 is about 173.4902950331.

The spelling of 5221864 in words is "five million, two hundred twenty-one thousand, eight hundred sixty-four".