1223476480 has 36 divisors (see below), whose sum is σ = 2930611572. Its totient is φ = 489390080.

The previous prime is 1223476453. The next prime is 1223476489. The reversal of 1223476480 is 846743221.

It can be written as a sum of positive squares in 2 ways, for example, as 232989696 + 990486784 = 15264^2 + 31472^2 .

It is a super-2 number, since 2×1223476480² = 2993789394226380800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223476489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476641 + ... + 479200.

It is an arithmetic number, because the mean of its divisors is an integer number (81405877).

Almost surely, 2^1223476480 is an apocalyptic number.

1223476480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223476480 is an abundant number, since it is smaller than the sum of its proper divisors (1707135092).

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

1223476480 is an frugal number, since it uses more digits than its factorization.

1223476480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955862 (or 955848 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 1223476480 is about 34978.2286572662. The cubic root of 1223476480 is about 1069.5437190432.

The spelling of 1223476480 in words is "one billion, two hundred twenty-three million, four hundred seventy-six thousand, four hundred eighty".