3942223 has 4 divisors (see below), whose sum is σ = 4113648. Its totient is φ = 3770800.

The previous prime is 3942217. The next prime is 3942227. The reversal of 3942223 is 3222493.

3942223 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3942223 - 2⁹ = 3941711 is a prime.

It is a super-2 number, since 2×3942223² = 31082244363458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85678 + ... + 85723.

It is an arithmetic number, because the mean of its divisors is an integer number (1028412).

Almost surely, 2^3942223 is an apocalyptic number.

3942223 is a deficient number, since it is larger than the sum of its proper divisors (171425).

3942223 is a wasteful number, since it uses less digits than its factorization.

3942223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171424.

The product of its digits is 2592, while the sum is 25.

The square root of 3942223 is about 1985.5032107755. The cubic root of 3942223 is about 157.9721015742.

The spelling of 3942223 in words is "three million, nine hundred forty-two thousand, two hundred twenty-three".