2049221 has 8 divisors (see below), whose sum is σ = 2119488. Its totient is φ = 1980000.

The previous prime is 2049191. The next prime is 2049263. The reversal of 2049221 is 1229402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2049221 - 2¹⁴ = 2032837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2049193 and 2049202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6026 + ... + 6356.

It is an arithmetic number, because the mean of its divisors is an integer number (264936).

2^2049221 is an apocalyptic number.

It is an amenable number.

2049221 is a deficient number, since it is larger than the sum of its proper divisors (70267).

2049221 is a wasteful number, since it uses less digits than its factorization.

2049221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2049221 is about 1431.5100418789. The cubic root of 2049221 is about 127.0173163401.

The spelling of 2049221 in words is "two million, forty-nine thousand, two hundred twenty-one".