1322872390 has 32 divisors (see below), whose sum is σ = 2725865280. Its totient is φ = 452801664.

The previous prime is 1322872361. The next prime is 1322872403. The reversal of 1322872390 is 932782231.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 27496 + ... + 58324.

It is an arithmetic number, because the mean of its divisors is an integer number (85183290).

Almost surely, 2^1322872390 is an apocalyptic number.

1322872390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1322872390 is an abundant number, since it is smaller than the sum of its proper divisors (1402992890).

1322872390 is a wasteful number, since it uses less digits than its factorization.

1322872390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31456.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1322872390 is about 36371.3127340766. The cubic root of 1322872390 is about 1097.7564160291.

The spelling of 1322872390 in words is "one billion, three hundred twenty-two million, eight hundred seventy-two thousand, three hundred ninety".