3115224 has 72 divisors (see below), whose sum is σ = 9825660. Its totient is φ = 889056.

The previous prime is 3115201. The next prime is 3115237. The reversal of 3115224 is 4225113.

3115224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1765²-1.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×3115224³ = 90696200733317878272, which contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 3115197 and 3115206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3087 + ... + 3969.

Almost surely, 2^3115224 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 3115224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4912830).

3115224 is an abundant number, since it is smaller than the sum of its proper divisors (6710436).

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

3115224 is a wasteful number, since it uses less digits than its factorization.

3115224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 895 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 3115224 is about 1764.9997167139. Note that the first 3 decimals coincide. The cubic root of 3115224 is about 146.0482732722.

The spelling of 3115224 in words is "three million, one hundred fifteen thousand, two hundred twenty-four".