2216499 has 16 divisors (see below), whose sum is σ = 3108000. Its totient is φ = 1403136.

The previous prime is 2216479. The next prime is 2216519. The reversal of 2216499 is 9946122.

It is an interprime number because it is at equal distance from previous prime (2216479) and next prime (2216519).

It is not a de Polignac number, because 2216499 - 2⁹ = 2215987 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 2²¹ + 1 + 6⁶ + 4⁸ + 9² + 9⁴ .

It is not an unprimeable number, because it can be changed into a prime (2216479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6177 + ... + 6525.

It is an arithmetic number, because the mean of its divisors is an integer number (194250).

2^2216499 is an apocalyptic number.

2216499 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2216499 is a deficient number, since it is larger than the sum of its proper divisors (891501).

2216499 is a wasteful number, since it uses less digits than its factorization.

2216499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454.

The product of its digits is 7776, while the sum is 33.

The square root of 2216499 is about 1488.7911203389. The cubic root of 2216499 is about 130.3834634393.

The spelling of 2216499 in words is "two million, two hundred sixteen thousand, four hundred ninety-nine".