6402224643 has 8 divisors (see below), whose sum is σ = 8830654800. Its totient is φ = 4120972128.

The previous prime is 6402224641. The next prime is 6402224659. The reversal of 6402224643 is 3464222046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6402224643 - 2¹ = 6402224641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6402224641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36794308 + ... + 36794481.

It is an arithmetic number, because the mean of its divisors is an integer number (1103831850).

Almost surely, 2^6402224643 is an apocalyptic number.

6402224643 is a deficient number, since it is larger than the sum of its proper divisors (2428430157).

6402224643 is a wasteful number, since it uses less digits than its factorization.

6402224643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73588821.

The product of its (nonzero) digits is 55296, while the sum is 33.

The square root of 6402224643 is about 80013.9028106991. The cubic root of 6402224643 is about 1856.8506309849.

Adding to 6402224643 its reverse (3464222046), we get a palindrome (9866446689).

The spelling of 6402224643 in words is "six billion, four hundred two million, two hundred twenty-four thousand, six hundred forty-three".