6221867477 has 16 divisors (see below), whose sum is σ = 7183418880. Its totient is φ = 5278597632.

The previous prime is 6221867441. The next prime is 6221867503. The reversal of 6221867477 is 7747681226.

It is not a de Polignac number, because 6221867477 - 2¹² = 6221863381 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 (6221867177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 837893 + ... + 845285.

It is an arithmetic number, because the mean of its divisors is an integer number (448963680).

Almost surely, 2^6221867477 is an apocalyptic number.

It is an amenable number.

6221867477 is a deficient number, since it is larger than the sum of its proper divisors (961551403).

6221867477 is a wasteful number, since it uses less digits than its factorization.

6221867477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8612.

The product of its digits is 1580544, while the sum is 50.

The square root of 6221867477 is about 78878.8151343566. The cubic root of 6221867477 is about 1839.2478294766.

The spelling of 6221867477 in words is "six billion, two hundred twenty-one million, eight hundred sixty-seven thousand, four hundred seventy-seven".