223030840 has 16 divisors (see below), whose sum is σ = 501819480. Its totient is φ = 89212320.

The previous prime is 223030831. The next prime is 223030849. The reversal of 223030840 is 48030322.

223030840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223030831) and next prime (223030849).

It is a super-2 number, since 2×223030840² = 99485511182211200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223030849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787846 + ... + 2787925.

Almost surely, 2^223030840 is an apocalyptic number.

223030840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223030840 is an abundant number, since it is smaller than the sum of its proper divisors (278788640).

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

223030840 is a wasteful number, since it uses less digits than its factorization.

223030840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575782 (or 5575778 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 223030840 is about 14934.2170869450. The cubic root of 223030840 is about 606.4406529718.

The spelling of 223030840 in words is "two hundred twenty-three million, thirty thousand, eight hundred forty".