223176425472 has 1296 divisors, whose sum is σ = 913742417952. Its totient is φ = 53508833280.

The previous prime is 223176425453. The next prime is 223176425489. The reversal of 223176425472 is 274524671322.

223176425472 is a `hidden beast` number, since 2 + 2 + 3 + 176 + 4 + 2 + 5 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (1296).

It is a super-3 number, since 3×223176425472³ (a number of 35 digits) contains 333 as substring.

Its product of digits (1128960) is a multiple of the sum of its prime divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17167417338 + ... + 17167417350.

It is an arithmetic number, because the mean of its divisors is an integer number (705048162).

Almost surely, 2^223176425472 is an apocalyptic number.

223176425472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223176425472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456871208976).

223176425472 is an abundant number, since it is smaller than the sum of its proper divisors (690565992480).

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

223176425472 is an frugal number, since it uses more digits than its factorization.

223176425472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 36 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The spelling of 223176425472 in words is "two hundred twenty-three billion, one hundred seventy-six million, four hundred twenty-five thousand, four hundred seventy-two".