110221225 has 6 divisors (see below), whose sum is σ = 136674350. Its totient is φ = 88176960.

The previous prime is 110221211. The next prime is 110221229. The reversal of 110221225 is 522122011.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2725801 + 107495424 = 1651^2 + 10368^2 .

It is not a de Polignac number, because 110221225 - 2¹⁵ = 110188457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110221199 and 110221208.

It is not an unprimeable number, because it can be changed into a prime (110221229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2204400 + ... + 2204449.

Almost surely, 2^110221225 is an apocalyptic number.

It is an amenable number.

110221225 is a deficient number, since it is larger than the sum of its proper divisors (26453125).

110221225 is an equidigital number, since it uses as much as digits as its factorization.

110221225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408859 (or 4408854 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 110221225 is about 10498.6296724858. The cubic root of 110221225 is about 479.4629772400.

Adding to 110221225 its reverse (522122011), we get a palindrome (632343236).

The spelling of 110221225 in words is "one hundred ten million, two hundred twenty-one thousand, two hundred twenty-five".