4020122243 has 8 divisors (see below), whose sum is σ = 4273167312. Its totient is φ = 3768918016.

The previous prime is 4020122237. The next prime is 4020122269. The reversal of 4020122243 is 3422210204.

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 4020122243 - 2⁶ = 4020122179 is a prime.

It is a super-2 number, since 2×4020122243² = 32322765697326702098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020121243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455705 + ... + 464442.

It is an arithmetic number, because the mean of its divisors is an integer number (534145914).

Almost surely, 2^4020122243 is an apocalyptic number.

4020122243 is a deficient number, since it is larger than the sum of its proper divisors (253045069).

4020122243 is a wasteful number, since it uses less digits than its factorization.

4020122243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920421.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4020122243 is about 63404.4339380141. The cubic root of 4020122243 is about 1590.0584400286.

Adding to 4020122243 its reverse (3422210204), we get a palindrome (7442332447).

The spelling of 4020122243 in words is "four billion, twenty million, one hundred twenty-two thousand, two hundred forty-three".