223870922500 has 45 divisors (see below), whose sum is σ = 489612673011. Its totient is φ = 89538906000.

The previous prime is 223870922479. The next prime is 223870922519. The reversal of 223870922500 is 5229078322.

The square root of 223870922500 is 473150.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 17551480324 + 206319442176 = 132482^2 + 454224^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 23652769 + ... + 23662231.

Almost surely, 2^223870922500 is an apocalyptic number.

223870922500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

223870922500 is the 473150-th square number.

It is an amenable number.

223870922500 is an abundant number, since it is smaller than the sum of its proper divisors (265741750511).

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

223870922500 is an frugal number, since it uses more digits than its factorization.

223870922500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18950 (or 9470 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 223870922500 in words is "two hundred twenty-three billion, eight hundred seventy million, nine hundred twenty-two thousand, five hundred".