223140442 has 16 divisors (see below), whose sum is σ = 395717760. Its totient is φ = 92333808.

The previous prime is 223140439. The next prime is 223140469. The reversal of 223140442 is 244041322.

It is a happy number.

It is a super-3 number, since 3×223140442³ (a number of 26 digits) contains 333 as substring.

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, 274398 + ... + 275209.

It is an arithmetic number, because the mean of its divisors is an integer number (24732360).

Almost surely, 2^223140442 is an apocalyptic number.

223140442 is a deficient number, since it is larger than the sum of its proper divisors (172577318).

223140442 is a wasteful number, since it uses less digits than its factorization.

223140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549645.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 223140442 is about 14937.8861289006. The cubic root of 223140442 is about 606.5399758930.

Adding to 223140442 its reverse (244041322), we get a palindrome (467181764).

The spelling of 223140442 in words is "two hundred twenty-three million, one hundred forty thousand, four hundred forty-two".