20221411 has 4 divisors (see below), whose sum is σ = 23110192. Its totient is φ = 17332632.

The previous prime is 20221403. The next prime is 20221427. The reversal of 20221411 is 11412202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20221411 - 2³ = 20221403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20221391 and 20221400.

It is not an unprimeable number, because it can be changed into a prime (20221441) 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 3 ways as a sum of consecutive naturals, for example, 1444380 + ... + 1444393.

It is an arithmetic number, because the mean of its divisors is an integer number (5777548).

Almost surely, 2^20221411 is an apocalyptic number.

20221411 is a deficient number, since it is larger than the sum of its proper divisors (2888781).

20221411 is an equidigital number, since it uses as much as digits as its factorization.

20221411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888780.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 20221411 is about 4496.8223224851. The cubic root of 20221411 is about 272.4397577461.

Adding to 20221411 its reverse (11412202), we get a palindrome (31633613).

The spelling of 20221411 in words is "twenty million, two hundred twenty-one thousand, four hundred eleven".