1322220226 has 8 divisors (see below), whose sum is σ = 1993607244. Its totient is φ = 657684480.

The previous prime is 1322220173. The next prime is 1322220227. The reversal of 1322220226 is 6220222231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1239392025 + 82828201 = 35205^2 + 9101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1322220197 and 1322220206.

It is not an unprimeable number, because it can be changed into a prime (1322220227) 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, 1712335 + ... + 1713106.

Almost surely, 2^1322220226 is an apocalyptic number.

1322220226 is a deficient number, since it is larger than the sum of its proper divisors (671387018).

1322220226 is a wasteful number, since it uses less digits than its factorization.

1322220226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425636.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1322220226 is about 36362.3462664334. The cubic root of 1322220226 is about 1097.5759917494.

Adding to 1322220226 its reverse (6220222231), we get a palindrome (7542442457).

The spelling of 1322220226 in words is "one billion, three hundred twenty-two million, two hundred twenty thousand, two hundred twenty-six".