223942 has 8 divisors (see below), whose sum is σ = 344232. Its totient is φ = 109200.

The previous prime is 223939. The next prime is 223963. The reversal of 223942 is 249322.

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

It is a d-powerful number, because it can be written as 2 + 2¹⁵ + 9⁵ + 3³ + 4⁵ + 2¹⁷ .

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, 1284 + ... + 1447.

It is an arithmetic number, because the mean of its divisors is an integer number (43029).

2²²³⁹⁴² is an apocalyptic number.

223942 is a deficient number, since it is larger than the sum of its proper divisors (120290).

223942 is a wasteful number, since it uses less digits than its factorization.

223942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774.

The product of its digits is 864, while the sum is 22.

The square root of 223942 is about 473.2251049976. The cubic root of 223942 is about 60.7265372541.

The spelling of 223942 in words is "two hundred twenty-three thousand, nine hundred forty-two".