6422203944 has 48 divisors (see below), whose sum is σ = 18731430900. Its totient is φ = 1976062464.

The previous prime is 6422203913. The next prime is 6422203969. The reversal of 6422203944 is 4493022246.

6422203944 is a `hidden beast` number, since 6 + 42 + 220 + 394 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6298327044 + 123876900 = 79362^2 + 11130^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6422203899 and 6422203908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3429729 + ... + 3431600.

Almost surely, 2^6422203944 is an apocalyptic number.

It is an amenable number.

6422203944 is an abundant number, since it is smaller than the sum of its proper divisors (12309226956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6422203944 is a wasteful number, since it uses less digits than its factorization.

6422203944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6861354 (or 6861347 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 6422203944 is about 80138.6544933218. The cubic root of 6422203944 is about 1858.7801713952.

The spelling of 6422203944 in words is "six billion, four hundred twenty-two million, two hundred three thousand, nine hundred forty-four".