223811942 has 8 divisors (see below), whose sum is σ = 350314416. Its totient is φ = 107040472.

The previous prime is 223811923. The next prime is 223811969. The reversal of 223811942 is 249118322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×223811942² = 100183570763622728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223811899 and 223811908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2432693 + ... + 2432784.

It is an arithmetic number, because the mean of its divisors is an integer number (43789302).

Almost surely, 2^223811942 is an apocalyptic number.

223811942 is a deficient number, since it is larger than the sum of its proper divisors (126502474).

223811942 is a wasteful number, since it uses less digits than its factorization.

223811942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865502.

The product of its digits is 6912, while the sum is 32.

The square root of 223811942 is about 14960.3456510871. The cubic root of 223811942 is about 607.1477899906.

The spelling of 223811942 in words is "two hundred twenty-three million, eight hundred eleven thousand, nine hundred forty-two".