2225515 has 4 divisors (see below), whose sum is σ = 2670624. Its totient is φ = 1780408.

The previous prime is 2225501. The next prime is 2225533. The reversal of 2225515 is 5155222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5155222 = 2 ⋅2577611.

It is a cyclic number.

It is not a de Polignac number, because 2225515 - 2⁷ = 2225387 is a prime.

It is a super-3 number, since 3×2225515³ = 33068373333415397625, which contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222547 + ... + 222556.

It is an arithmetic number, because the mean of its divisors is an integer number (667656).

2^2225515 is an apocalyptic number.

2225515 is a deficient number, since it is larger than the sum of its proper divisors (445109).

2225515 is an equidigital number, since it uses as much as digits as its factorization.

2225515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445108.

The product of its digits is 1000, while the sum is 22.

The square root of 2225515 is about 1491.8160074218. The cubic root of 2225515 is about 130.5600101761.

The spelling of 2225515 in words is "two million, two hundred twenty-five thousand, five hundred fifteen".