1322153260 has 24 divisors (see below), whose sum is σ = 2778342336. Its totient is φ = 528514560.

The previous prime is 1322153251. The next prime is 1322153279. The reversal of 1322153260 is 623512231.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10780 + ... + 52540.

It is an arithmetic number, because the mean of its divisors is an integer number (115764264).

Almost surely, 2^1322153260 is an apocalyptic number.

1322153260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322153260 is an abundant number, since it is smaller than the sum of its proper divisors (1456189076).

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

1322153260 is a wasteful number, since it uses less digits than its factorization.

1322153260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43353 (or 43351 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1322153260 is about 36361.4254396056. The cubic root of 1322153260 is about 1097.5574619278.

Adding to 1322153260 its reverse (623512231), we get a palindrome (1945665491).

The spelling of 1322153260 in words is "one billion, three hundred twenty-two million, one hundred fifty-three thousand, two hundred sixty".