110621225 has 72 divisors (see below), whose sum is σ = 169702680. Its totient is φ = 70963200.

The previous prime is 110621149. The next prime is 110621233. The reversal of 110621225 is 522126011.

It can be written as a sum of positive squares in 12 ways, for example, as 50651689 + 59969536 = 7117^2 + 7744^2 .

It is not a de Polignac number, because 110621225 - 2¹⁴ = 110604841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110621197 and 110621206.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1140377 + ... + 1140473.

Almost surely, 2^110621225 is an apocalyptic number.

It is an amenable number.

110621225 is a deficient number, since it is larger than the sum of its proper divisors (59081455).

110621225 is a wasteful number, since it uses less digits than its factorization.

110621225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 110621225 is about 10517.6625254854. The cubic root of 110621225 is about 480.0422778155.

Adding to 110621225 its reverse (522126011), we get a palindrome (632747236).

The spelling of 110621225 in words is "one hundred ten million, six hundred twenty-one thousand, two hundred twenty-five".