5315220 has 120 divisors (see below), whose sum is σ = 17746344. Its totient is φ = 1327104.

The previous prime is 5315213. The next prime is 5315227. The reversal of 5315220 is 225135.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5315213) and next prime (5315227).

It can be written as a sum of positive squares in 4 ways, for example, as 571536 + 4743684 = 756^2 + 2178^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 5315193 and 5315202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5315227) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27444 + ... + 27636.

Almost surely, 2^5315220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5315220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8873172).

5315220 is an abundant number, since it is smaller than the sum of its proper divisors (12431124).

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

5315220 is a wasteful number, since it uses less digits than its factorization.

5315220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 5315220 is about 2305.4760896613. The cubic root of 5315220 is about 174.5180754286.

The spelling of 5315220 in words is "five million, three hundred fifteen thousand, two hundred twenty".