106227221 has 4 divisors (see below), whose sum is σ = 106254444. Its totient is φ = 106200000.

The previous prime is 106227167. The next prime is 106227223. The reversal of 106227221 is 122722601.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 91680625 + 14546596 = 9575^2 + 3814^2 .

It is a cyclic number.

It is not a de Polignac number, because 106227221 - 2¹⁴ = 106210837 is a prime.

It is a super-2 number, since 2×106227221² = 22568444962765682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106227223) 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, 6530 + ... + 15971.

It is an arithmetic number, because the mean of its divisors is an integer number (26563611).

Almost surely, 2^106227221 is an apocalyptic number.

It is an amenable number.

106227221 is a deficient number, since it is larger than the sum of its proper divisors (27223).

106227221 is an equidigital number, since it uses as much as digits as its factorization.

106227221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27222.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 106227221 is about 10306.6590610149. The cubic root of 106227221 is about 473.6002686080.

Adding to 106227221 its reverse (122722601), we get a palindrome (228949822).

The spelling of 106227221 in words is "one hundred six million, two hundred twenty-seven thousand, two hundred twenty-one".