6124226021 has 4 divisors (see below), whose sum is σ = 6126762252. Its totient is φ = 6121689792.

The previous prime is 6124225981. The next prime is 6124226093. The reversal of 6124226021 is 1206224216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2632716100 + 3491509921 = 51310^2 + 59089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6124226021 is a prime.

It is a super-2 number, since 2×6124226021² = 75012288712586984882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6124222021) 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, 1264490 + ... + 1269323.

It is an arithmetic number, because the mean of its divisors is an integer number (1531690563).

Almost surely, 2^6124226021 is an apocalyptic number.

It is an amenable number.

6124226021 is a deficient number, since it is larger than the sum of its proper divisors (2536231).

6124226021 is a wasteful number, since it uses less digits than its factorization.

6124226021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536230.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 6124226021 is about 78257.4342858236. The cubic root of 6124226021 is about 1829.5757843971.

The spelling of 6124226021 in words is "six billion, one hundred twenty-four million, two hundred twenty-six thousand, twenty-one".