223065440 has 48 divisors (see below), whose sum is σ = 567535248. Its totient is φ = 82361856.

The previous prime is 223065439. The next prime is 223065487. The reversal of 223065440 is 44560322.

223065440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51542 + ... + 55701.

It is an arithmetic number, because the mean of its divisors is an integer number (11823651).

Almost surely, 2^223065440 is an apocalyptic number.

223065440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223065440 is an abundant number, since it is smaller than the sum of its proper divisors (344469808).

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

223065440 is a wasteful number, since it uses less digits than its factorization.

223065440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107271 (or 107263 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 223065440 is about 14935.3754556087. The cubic root of 223065440 is about 606.4720115074.

The spelling of 223065440 in words is "two hundred twenty-three million, sixty-five thousand, four hundred forty".