1322049280 has 36 divisors (see below), whose sum is σ = 3166724232. Its totient is φ = 528819200.

The previous prime is 1322049277. The next prime is 1322049283. The reversal of 1322049280 is 829402231.

It is an interprime number because it is at equal distance from previous prime (1322049277) and next prime (1322049283).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322049283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515146 + ... + 517705.

It is an arithmetic number, because the mean of its divisors is an integer number (87964562).

Almost surely, 2^1322049280 is an apocalyptic number.

1322049280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322049280 is an abundant number, since it is smaller than the sum of its proper divisors (1844674952).

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

1322049280 is an equidigital number, since it uses as much as digits as its factorization.

1322049280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032872 (or 1032858 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1322049280 is about 36359.9955995597. The cubic root of 1322049280 is about 1097.5286889102.

It can be divided in two parts, 13220 and 49280, that added together give a square (62500 = 250²).

The spelling of 1322049280 in words is "one billion, three hundred twenty-two million, forty-nine thousand, two hundred eighty".