6244228789 has 4 divisors (see below), whose sum is σ = 6389443456. Its totient is φ = 6099014124.

The previous prime is 6244228759. The next prime is 6244228819. The reversal of 6244228789 is 9878224426.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (6244228759) and next prime (6244228819).

It is a cyclic number.

It is not a de Polignac number, because 6244228789 - 2¹³ = 6244220597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6244228729) 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, 72607269 + ... + 72607354.

It is an arithmetic number, because the mean of its divisors is an integer number (1597360864).

Almost surely, 2^6244228789 is an apocalyptic number.

It is an amenable number.

6244228789 is a deficient number, since it is larger than the sum of its proper divisors (145214667).

6244228789 is a wasteful number, since it uses less digits than its factorization.

6244228789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145214666.

The product of its digits is 3096576, while the sum is 52.

The square root of 6244228789 is about 79020.4327310348. The cubic root of 6244228789 is about 1841.4486061026.

The spelling of 6244228789 in words is "six billion, two hundred forty-four million, two hundred twenty-eight thousand, seven hundred eighty-nine".