223056900 has 108 divisors (see below), whose sum is σ = 762753264. Its totient is φ = 54072000.

The previous prime is 223056887. The next prime is 223056901. The reversal of 223056900 is 9650322.

It is a super-2 number, since 2×223056900² = 99508761275220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223056901) 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 35 ways as a sum of consecutive naturals, for example, 1366 + ... + 21165.

Almost surely, 2^223056900 is an apocalyptic number.

223056900 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 223056900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381376632).

223056900 is an abundant number, since it is smaller than the sum of its proper divisors (539696364).

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

223056900 is a wasteful number, since it uses less digits than its factorization.

223056900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22562 (or 22552 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 223056900 is about 14935.0895544687. The cubic root of 223056900 is about 606.4642718697.

The spelling of 223056900 in words is "two hundred twenty-three million, fifty-six thousand, nine hundred".