223221156480 has 512 divisors, whose sum is σ = 951077376000. Its totient is φ = 48336113664.

The previous prime is 223221156463. The next prime is 223221156497. The reversal of 223221156480 is 84651122322.

223221156480 is a `hidden beast` number, since 2 + 2 + 3 + 2 + 2 + 1 + 1 + 5 + 648 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (223221156463) and next prime (223221156497).

It is a super-3 number, since 3×223221156480³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2249677 + ... + 2346803.

It is an arithmetic number, because the mean of its divisors is an integer number (1857573000).

Almost surely, 2^223221156480 is an apocalyptic number.

223221156480 is a gapful number since it is divisible by the number (20) 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 223221156480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475538688000).

223221156480 is an abundant number, since it is smaller than the sum of its proper divisors (727856219520).

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

223221156480 is a wasteful number, since it uses less digits than its factorization.

223221156480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97181 (or 97163 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 223221156480 in words is "two hundred twenty-three billion, two hundred twenty-one million, one hundred fifty-six thousand, four hundred eighty".