223986280 has 128 divisors (see below), whose sum is σ = 598752000. Its totient is φ = 73820160.

The previous prime is 223986277. The next prime is 223986283. The reversal of 223986280 is 82689322.

It is an interprime number because it is at equal distance from previous prime (223986277) and next prime (223986283).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (223986283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1251231 + ... + 1251409.

It is an arithmetic number, because the mean of its divisors is an integer number (4677750).

Almost surely, 2^223986280 is an apocalyptic number.

223986280 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 223986280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299376000).

223986280 is an abundant number, since it is smaller than the sum of its proper divisors (374765720).

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

223986280 is a wasteful number, since it uses less digits than its factorization.

223986280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 223986280 is about 14966.1711870471. The cubic root of 223986280 is about 607.3053947170.

The spelling of 223986280 in words is "two hundred twenty-three million, nine hundred eighty-six thousand, two hundred eighty".