2220849 has 24 divisors (see below), whose sum is σ = 3394560. Its totient is φ = 1397088.

The previous prime is 2220839. The next prime is 2220887. The reversal of 2220849 is 9480222.

It is not a de Polignac number, because 2220849 - 2¹³ = 2212657 is a prime.

2220849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2220839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17424 + ... + 17550.

It is an arithmetic number, because the mean of its divisors is an integer number (141440).

2^2220849 is an apocalyptic number.

2220849 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2220849 is a deficient number, since it is larger than the sum of its proper divisors (1173711).

2220849 is a wasteful number, since it uses less digits than its factorization.

2220849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2220849 is about 1490.2513210865. The cubic root of 2220849 is about 130.4687025840.

The spelling of 2220849 in words is "two million, two hundred twenty thousand, eight hundred forty-nine".