20221106 has 4 divisors (see below), whose sum is σ = 30331662. Its totient is φ = 10110552.

The previous prime is 20221099. The next prime is 20221127. The reversal of 20221106 is 60112202.

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

It can be written as a sum of positive squares in only one way, i.e., 17986081 + 2235025 = 4241^2 + 1495^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5055275 + ... + 5055278.

Almost surely, 2^20221106 is an apocalyptic number.

20221106 is a deficient number, since it is larger than the sum of its proper divisors (10110556).

20221106 is a wasteful number, since it uses less digits than its factorization.

20221106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110555.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20221106 is about 4496.7884095207. The cubic root of 20221106 is about 272.4383880009.

Adding to 20221106 its reverse (60112202), we get a palindrome (80333308).

The spelling of 20221106 in words is "twenty million, two hundred twenty-one thousand, one hundred six".