6221544434 has 16 divisors (see below), whose sum is σ = 11292887808. Its totient is φ = 2509530432.

The previous prime is 6221544409. The next prime is 6221544457. The reversal of 6221544434 is 4344451226.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6221544394 and 6221544403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13070234 + ... + 13070709.

It is an arithmetic number, because the mean of its divisors is an integer number (705805488).

Almost surely, 2^6221544434 is an apocalyptic number.

6221544434 is a deficient number, since it is larger than the sum of its proper divisors (5071343374).

6221544434 is a wasteful number, since it uses less digits than its factorization.

6221544434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26140969.

The product of its digits is 92160, while the sum is 35.

The square root of 6221544434 is about 78876.7673906582. The cubic root of 6221544434 is about 1839.2159973178.

The spelling of 6221544434 in words is "six billion, two hundred twenty-one million, five hundred forty-four thousand, four hundred thirty-four".