2015224 has 8 divisors (see below), whose sum is σ = 3778560. Its totient is φ = 1007608.

The previous prime is 2015213. The next prime is 2015267. The reversal of 2015224 is 4225102.

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

It is a super-2 number, since 2×2015224² = 8122255540352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2015198 and 2015207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125944 + ... + 125959.

It is an arithmetic number, because the mean of its divisors is an integer number (472320).

2^2015224 is an apocalyptic number.

It is an amenable number.

2015224 is a deficient number, since it is larger than the sum of its proper divisors (1763336).

2015224 is a wasteful number, since it uses less digits than its factorization.

2015224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251909 (or 251905 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2015224 is about 1419.5858551000. The cubic root of 2015224 is about 126.3109812254.

The spelling of 2015224 in words is "two million, fifteen thousand, two hundred twenty-four".