1225226 has 4 divisors (see below), whose sum is σ = 1837842. Its totient is φ = 612612.

The previous prime is 1225223. The next prime is 1225261. The reversal of 1225226 is 6225221.

1225226 is nontrivially palindromic in base 9.

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

It can be written as a sum of positive squares in only one way, i.e., 664225 + 561001 = 815^2 + 749^2 .

It is a d-powerful number, because it can be written as 1 + 2² + 2¹⁵ + 5⁷ + 2¹⁶ + 2²⁰ + 6³ .

It is a Curzon number.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 1225198 and 1225207.

It is not an unprimeable number, because it can be changed into a prime (1225223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306305 + ... + 306308.

2^1225226 is an apocalyptic number.

1225226 is a deficient number, since it is larger than the sum of its proper divisors (612616).

1225226 is an equidigital number, since it uses as much as digits as its factorization.

1225226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612615.

The product of its digits is 480, while the sum is 20.

The square root of 1225226 is about 1106.8992727435. The cubic root of 1225226 is about 107.0053277110.

The spelling of 1225226 in words is "one million, two hundred twenty-five thousand, two hundred twenty-six".