1322126220 has 96 divisors (see below), whose sum is σ = 3744921600. Its totient is φ = 348504064.

The previous prime is 1322126189. The next prime is 1322126237. The reversal of 1322126220 is 226212231.

It is a super-3 number, since 3×1322126220³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2759941 + ... + 2760419.

It is an arithmetic number, because the mean of its divisors is an integer number (39009600).

Almost surely, 2^1322126220 is an apocalyptic number.

1322126220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322126220 is an abundant number, since it is smaller than the sum of its proper divisors (2422795380).

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

1322126220 is a wasteful number, since it uses less digits than its factorization.

1322126220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1322126220 is about 36361.0536150976. The cubic root of 1322126220 is about 1097.5499796494.

Adding to 1322126220 its reverse (226212231), we get a palindrome (1548338451).

The spelling of 1322126220 in words is "one billion, three hundred twenty-two million, one hundred twenty-six thousand, two hundred twenty".