6223256121 has 4 divisors (see below), whose sum is σ = 8297674832. Its totient is φ = 4148837412.

The previous prime is 6223256111. The next prime is 6223256129. The reversal of 6223256121 is 1216523226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6223256121 - 2⁷ = 6223255993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6223256129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037209351 + ... + 1037209356.

It is an arithmetic number, because the mean of its divisors is an integer number (2074418708).

Almost surely, 2^6223256121 is an apocalyptic number.

It is an amenable number.

6223256121 is a deficient number, since it is larger than the sum of its proper divisors (2074418711).

6223256121 is a wasteful number, since it uses less digits than its factorization.

6223256121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074418710.

The product of its digits is 8640, while the sum is 30.

The square root of 6223256121 is about 78887.6170320792. The cubic root of 6223256121 is about 1839.3846517669.

Adding to 6223256121 its reverse (1216523226), we get a palindrome (7439779347).

The spelling of 6223256121 in words is "six billion, two hundred twenty-three million, two hundred fifty-six thousand, one hundred twenty-one".