4021222243 has 8 divisors (see below), whose sum is σ = 4108997376. Its totient is φ = 3934312200.

The previous prime is 4021222241. The next prime is 4021222277. The reversal of 4021222243 is 3422221204.

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

It is a cyclic number.

It is not a de Polignac number, because 4021222243 - 2¹ = 4021222241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206871 + ... + 225472.

It is an arithmetic number, because the mean of its divisors is an integer number (513624672).

Almost surely, 2^4021222243 is an apocalyptic number.

4021222243 is a deficient number, since it is larger than the sum of its proper divisors (87775133).

4021222243 is a wasteful number, since it uses less digits than its factorization.

4021222243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432545.

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

The square root of 4021222243 is about 63413.1078169175. The cubic root of 4021222243 is about 1590.2034525991.

Adding to 4021222243 its reverse (3422221204), we get a palindrome (7443443447).

The spelling of 4021222243 in words is "four billion, twenty-one million, two hundred twenty-two thousand, two hundred forty-three".