223140246 has 32 divisors (see below), whose sum is σ = 511999488. Its totient is φ = 63508800.

The previous prime is 223140241. The next prime is 223140251. The reversal of 223140246 is 642041322.

It is an interprime number because it is at equal distance from previous prime (223140241) and next prime (223140251).

It is a super-3 number, since 3×223140246³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223140241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946 + ... + 21146.

It is an arithmetic number, because the mean of its divisors is an integer number (15999984).

Almost surely, 2^223140246 is an apocalyptic number.

223140246 is an abundant number, since it is smaller than the sum of its proper divisors (288859242).

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

223140246 is a wasteful number, since it uses less digits than its factorization.

223140246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20476.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 223140246 is about 14937.8795683993. The cubic root of 223140246 is about 606.5397983040.

Adding to 223140246 its reverse (642041322), we get a palindrome (865181568).

The spelling of 223140246 in words is "two hundred twenty-three million, one hundred forty thousand, two hundred forty-six".