4422242121 has 32 divisors (see below), whose sum is σ = 6477871488. Its totient is φ = 2661258240.

The previous prime is 4422242117. The next prime is 4422242141. The reversal of 4422242121 is 1212422244.

It is a happy number.

It is not a de Polignac number, because 4422242121 - 2² = 4422242117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4422242091 and 4422242100.

It is not an unprimeable number, because it can be changed into a prime (4422242141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3408945 + ... + 3410241.

It is an arithmetic number, because the mean of its divisors is an integer number (202433484).

Almost surely, 2^4422242121 is an apocalyptic number.

It is an amenable number.

4422242121 is a deficient number, since it is larger than the sum of its proper divisors (2055629367).

4422242121 is a wasteful number, since it uses less digits than its factorization.

4422242121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961.

The product of its digits is 2048, while the sum is 24.

The square root of 4422242121 is about 66499.9407593721. The cubic root of 4422242121 is about 1641.3990294007.

Adding to 4422242121 its reverse (1212422244), we get a palindrome (5634664365).

The spelling of 4422242121 in words is "four billion, four hundred twenty-two million, two hundred forty-two thousand, one hundred twenty-one".