1223318080 has 28 divisors (see below), whose sum is σ = 2913026940. Its totient is φ = 489327104.

The previous prime is 1223318039. The next prime is 1223318101. The reversal of 1223318080 is 808133221.

It can be written as a sum of positive squares in 2 ways, for example, as 805197376 + 418120704 = 28376^2 + 20448^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1911115 + ... + 1911754.

Almost surely, 2^1223318080 is an apocalyptic number.

1223318080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223318080 is an abundant number, since it is smaller than the sum of its proper divisors (1689708860).

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

1223318080 is an equidigital number, since it uses as much as digits as its factorization.

1223318080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822886 (or 3822876 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1223318080 is about 34975.9643183716. The cubic root of 1223318080 is about 1069.4975601292.

The spelling of 1223318080 in words is "one billion, two hundred twenty-three million, three hundred eighteen thousand, eighty".