1322330146 has 4 divisors (see below), whose sum is σ = 1983495222. Its totient is φ = 661165072.

The previous prime is 1322330117. The next prime is 1322330153. The reversal of 1322330146 is 6410332231.

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., 1271706921 + 50623225 = 35661^2 + 7115^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1322330146.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330582535 + ... + 330582538.

Almost surely, 2^1322330146 is an apocalyptic number.

1322330146 is a deficient number, since it is larger than the sum of its proper divisors (661165076).

1322330146 is an equidigital number, since it uses as much as digits as its factorization.

1322330146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661165075.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1322330146 is about 36363.8576886446. The cubic root of 1322330146 is about 1097.6064057978.

Adding to 1322330146 its reverse (6410332231), we get a palindrome (7732662377).

The spelling of 1322330146 in words is "one billion, three hundred twenty-two million, three hundred thirty thousand, one hundred forty-six".