4223021242 has 24 divisors (see below), whose sum is σ = 7046671968. Its totient is φ = 1896418920.

The previous prime is 4223021161. The next prime is 4223021261. The reversal of 4223021242 is 2421203224.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85038 + ... + 125209.

It is an arithmetic number, because the mean of its divisors is an integer number (293611332).

Almost surely, 2^4223021242 is an apocalyptic number.

4223021242 is a deficient number, since it is larger than the sum of its proper divisors (2823650726).

4223021242 is a wasteful number, since it uses less digits than its factorization.

4223021242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210354 (or 210343 counting only the distinct ones).

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

The square root of 4223021242 is about 64984.7770020026. Note that the first 3 decimals coincide. The cubic root of 4223021242 is about 1616.3711439324.

Adding to 4223021242 its reverse (2421203224), we get a palindrome (6644224466).

The spelling of 4223021242 in words is "four billion, two hundred twenty-three million, twenty-one thousand, two hundred forty-two".