223233240 has 32 divisors (see below), whose sum is σ = 669700080. Its totient is φ = 59528832.

The previous prime is 223233229. The next prime is 223233251. The reversal of 223233240 is 42332322.

It is an interprime number because it is at equal distance from previous prime (223233229) and next prime (223233251).

It is a super-3 number, since 3×223233240³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930019 + ... + 930258.

Almost surely, 2^223233240 is an apocalyptic number.

223233240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223233240 is an abundant number, since it is smaller than the sum of its proper divisors (446466840).

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

223233240 is a wasteful number, since it uses less digits than its factorization.

223233240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860291 (or 1860287 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 223233240 is about 14940.9919349419. The cubic root of 223233240 is about 606.6240453627.

Adding to 223233240 its reverse (42332322), we get a palindrome (265565562).

The spelling of 223233240 in words is "two hundred twenty-three million, two hundred thirty-three thousand, two hundred forty".