2041221404 has 12 divisors (see below), whose sum is σ = 3573220728. Its totient is φ = 1020301200.

The previous prime is 2041221389. The next prime is 2041221409. The reversal of 2041221404 is 4041221402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041221409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62207 + ... + 89174.

It is an arithmetic number, because the mean of its divisors is an integer number (297768394).

Almost surely, 2^2041221404 is an apocalyptic number.

It is an amenable number.

2041221404 is a deficient number, since it is larger than the sum of its proper divisors (1531999324).

2041221404 is a wasteful number, since it uses less digits than its factorization.

2041221404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154756 (or 154754 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2041221404 is about 45179.8783088224. The cubic root of 2041221404 is about 1268.5182056298.

Adding to 2041221404 its reverse (4041221402), we get a palindrome (6082442806).

The spelling of 2041221404 in words is "two billion, forty-one million, two hundred twenty-one thousand, four hundred four".