1220300226 has 12 divisors (see below), whose sum is σ = 2643983862. Its totient is φ = 406766736.

The previous prime is 1220300197. The next prime is 1220300227. The reversal of 1220300226 is 6220030221.

It can be written as a sum of positive squares in only one way, i.e., 921183201 + 299117025 = 30351^2 + 17295^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 67794457 = 1220300226 / (1 + 2 + 2 + 0 + 3 + 0 + 0 + 2 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 1220300199 and 1220300208.

It is not an unprimeable number, because it can be changed into a prime (1220300227) 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, 33897211 + ... + 33897246.

Almost surely, 2^1220300226 is an apocalyptic number.

1220300226 is an abundant number, since it is smaller than the sum of its proper divisors (1423683636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220300226 is a wasteful number, since it uses less digits than its factorization.

1220300226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67794465 (or 67794462 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1220300226 is about 34932.7958514631. The cubic root of 1220300226 is about 1068.6173733444.

Adding to 1220300226 its reverse (6220030221), we get a palindrome (7440330447).

The spelling of 1220300226 in words is "one billion, two hundred twenty million, three hundred thousand, two hundred twenty-six".