223058640 has 160 divisors (see below), whose sum is σ = 815947776. Its totient is φ = 49328640.

The previous prime is 223058579. The next prime is 223058657. The reversal of 223058640 is 46850322.

223058640 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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 223058598 and 223058607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49939 + ... + 54221.

Almost surely, 2^223058640 is an apocalyptic number.

223058640 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 223058640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407973888).

223058640 is an abundant number, since it is smaller than the sum of its proper divisors (592889136).

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

223058640 is a wasteful number, since it uses less digits than its factorization.

223058640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337 (or 4331 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 223058640 is about 14935.1478064330. The cubic root of 223058640 is about 606.4658488142.

The spelling of 223058640 in words is "two hundred twenty-three million, fifty-eight thousand, six hundred forty".