2228516 has 12 divisors (see below), whose sum is σ = 4069632. Its totient is φ = 1065768.

The previous prime is 2228509. The next prime is 2228519. The reversal of 2228516 is 6158222.

It is a d-powerful number, because it can be written as 2² + 2⁸ + 2¹⁷ + 8⁷ + 5² + 1 + 6 .

It is not an unprimeable number, because it can be changed into a prime (2228519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12020 + ... + 12203.

It is an arithmetic number, because the mean of its divisors is an integer number (339136).

2^2228516 is an apocalyptic number.

It is an amenable number.

2228516 is a deficient number, since it is larger than the sum of its proper divisors (1841116).

2228516 is a wasteful number, since it uses less digits than its factorization.

2228516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24250 (or 24248 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 2228516 is about 1492.8214896631. The cubic root of 2228516 is about 130.6186684507.

It can be divided in two parts, 2228 and 516, that added together give a cube (2744 = 14³).

The spelling of 2228516 in words is "two million, two hundred twenty-eight thousand, five hundred sixteen".