223828140 has 48 divisors (see below), whose sum is σ = 632284128. Its totient is φ = 59157504.

The previous prime is 223828127. The next prime is 223828141. The reversal of 223828140 is 41828322.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 223828098 and 223828107.

It is not an unprimeable number, because it can be changed into a prime (223828141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9727 + ... + 23286.

It is an arithmetic number, because the mean of its divisors is an integer number (13172586).

Almost surely, 2^223828140 is an apocalyptic number.

223828140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223828140 is an abundant number, since it is smaller than the sum of its proper divisors (408455988).

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

223828140 is a wasteful number, since it uses less digits than its factorization.

223828140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33138 (or 33136 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 223828140 is about 14960.8870057895. The cubic root of 223828140 is about 607.1624367256.

The spelling of 223828140 in words is "two hundred twenty-three million, eight hundred twenty-eight thousand, one hundred forty".