110022221 has 4 divisors (see below), whose sum is σ = 110073600. Its totient is φ = 109970844.

The previous prime is 110022203. The next prime is 110022247. The reversal of 110022221 is 122220011.

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: 122220011 = 31 ⋅3942581.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110022221 is a prime.

It is a super-2 number, since 2×110022221² = 24209778227545682, 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 (110027221) 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, 22331 + ... + 26808.

It is an arithmetic number, because the mean of its divisors is an integer number (27518400).

Almost surely, 2^110022221 is an apocalyptic number.

It is an amenable number.

110022221 is a deficient number, since it is larger than the sum of its proper divisors (51379).

110022221 is an equidigital number, since it uses as much as digits as its factorization.

110022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51378.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 110022221 is about 10489.1477728174. The cubic root of 110022221 is about 479.1742472130.

Adding to 110022221 its reverse (122220011), we get a palindrome (232242232).

The spelling of 110022221 in words is "one hundred ten million, twenty-two thousand, two hundred twenty-one".