2221941 has 8 divisors (see below), whose sum is σ = 2971584. Its totient is φ = 1476800.

The previous prime is 2221931. The next prime is 2221943. The reversal of 2221941 is 1491222.

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 2221941 - 2⁵ = 2221909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221943) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 280 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (371448).

2^2221941 is an apocalyptic number.

It is an amenable number.

2221941 is a deficient number, since it is larger than the sum of its proper divisors (749643).

2221941 is a wasteful number, since it uses less digits than its factorization.

2221941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251.

The product of its digits is 288, while the sum is 21.

The square root of 2221941 is about 1490.6176572146. The cubic root of 2221941 is about 130.4900830678.

The spelling of 2221941 in words is "two million, two hundred twenty-one thousand, nine hundred forty-one".