110222221 has 4 divisors (see below), whose sum is σ = 111063744. Its totient is φ = 109380700.

The previous prime is 110222219. The next prime is 110222251. The reversal of 110222221 is 122222011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122222011 = 881 ⋅138731.

It is a cyclic number.

It is not a de Polignac number, because 110222221 - 2¹ = 110222219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110222251) 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, 420565 + ... + 420826.

It is an arithmetic number, because the mean of its divisors is an integer number (27765936).

Almost surely, 2^110222221 is an apocalyptic number.

It is an amenable number.

110222221 is a deficient number, since it is larger than the sum of its proper divisors (841523).

110222221 is an equidigital number, since it uses as much as digits as its factorization.

110222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841522.

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

The square root of 110222221 is about 10498.6771071407. The cubic root of 110222221 is about 479.4644214376.

Adding to 110222221 its reverse (122222011), we get a palindrome (232444232).

The spelling of 110222221 in words is "one hundred ten million, two hundred twenty-two thousand, two hundred twenty-one".