223351040 has 144 divisors (see below), whose sum is σ = 604860480. Its totient is φ = 78274560.

The previous prime is 223351039. The next prime is 223351057. The reversal of 223351040 is 40153322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408047 + ... + 408593.

It is an arithmetic number, because the mean of its divisors is an integer number (4200420).

Almost surely, 2^223351040 is an apocalyptic number.

223351040 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 223351040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302430240).

223351040 is an abundant number, since it is smaller than the sum of its proper divisors (381509440).

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

223351040 is a wasteful number, since it uses less digits than its factorization.

223351040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 223351040 is about 14944.9335896818. The cubic root of 223351040 is about 606.7307316047.

The spelling of 223351040 in words is "two hundred twenty-three million, three hundred fifty-one thousand, forty".