1323162226 has 4 divisors (see below), whose sum is σ = 1984743342. Its totient is φ = 661581112.

The previous prime is 1323162161. The next prime is 1323162257. The reversal of 1323162226 is 6222613231.

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., 1193771601 + 129390625 = 34551^2 + 11375^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1323162194 and 1323162203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330790555 + ... + 330790558.

Almost surely, 2^1323162226 is an apocalyptic number.

1323162226 is a deficient number, since it is larger than the sum of its proper divisors (661581116).

1323162226 is an equidigital number, since it uses as much as digits as its factorization.

1323162226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661581115.

The product of its digits is 5184, while the sum is 28.

The square root of 1323162226 is about 36375.2969197504. The cubic root of 1323162226 is about 1097.8365815077.

Adding to 1323162226 its reverse (6222613231), we get a palindrome (7545775457).

It can be divided in two parts, 13231 and 62226, that added together give a palindrome (75457).

The spelling of 1323162226 in words is "one billion, three hundred twenty-three million, one hundred sixty-two thousand, two hundred twenty-six".