1322303148 has 144 divisors (see below), whose sum is σ = 3549401856. Its totient is φ = 414610560.

The previous prime is 1322303131. The next prime is 1322303149. The reversal of 1322303148 is 8413032231.

It is a super-3 number, since 3×1322303148³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1322303149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5825011 + ... + 5825237.

It is an arithmetic number, because the mean of its divisors is an integer number (24648624).

Almost surely, 2^1322303148 is an apocalyptic number.

1322303148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322303148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1774700928).

1322303148 is an abundant number, since it is smaller than the sum of its proper divisors (2227098708).

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

1322303148 is a wasteful number, since it uses less digits than its factorization.

1322303148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1322303148 is about 36363.4864665092. The cubic root of 1322303148 is about 1097.5989358077.

Adding to 1322303148 its reverse (8413032231), we get a palindrome (9735335379).

The spelling of 1322303148 in words is "one billion, three hundred twenty-two million, three hundred three thousand, one hundred forty-eight".