6221478152 has 36 divisors (see below), whose sum is σ = 11848366845. Its totient is φ = 3062661888.

The previous prime is 6221478143. The next prime is 6221478167. The reversal of 6221478152 is 2518741226.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 6166332676 + 55145476 = 78526^2 + 7426^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=55774.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17624408 + ... + 17624760.

Almost surely, 2^6221478152 is an apocalyptic number.

It is an amenable number.

6221478152 is a deficient number, since it is larger than the sum of its proper divisors (5626888693).

6221478152 is an frugal number, since it uses more digits than its factorization.

6221478152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 434 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 6221478152 is about 78876.3472277970. The cubic root of 6221478152 is about 1839.2094658556.

The spelling of 6221478152 in words is "six billion, two hundred twenty-one million, four hundred seventy-eight thousand, one hundred fifty-two".