223056899520 has 448 divisors, whose sum is σ = 876735498240. Its totient is φ = 46787346432.

The previous prime is 223056899509. The next prime is 223056899557. The reversal of 223056899520 is 25998650322.

It is a Cunningham number, because it is equal to 472289²-1.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

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, 15105901 + ... + 15120659.

It is an arithmetic number, because the mean of its divisors is an integer number (1956998880).

Almost surely, 2^223056899520 is an apocalyptic number.

223056899520 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 223056899520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438367749120).

223056899520 is an abundant number, since it is smaller than the sum of its proper divisors (653678598720).

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

223056899520 is a wasteful number, since it uses less digits than its factorization.

223056899520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14972 (or 14962 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 223056899520 in words is "two hundred twenty-three billion, fifty-six million, eight hundred ninety-nine thousand, five hundred twenty".