6435660222 has 128 divisors (see below), whose sum is σ = 15533337600. Its totient is φ = 1968962688.

The previous prime is 6435660181. The next prime is 6435660263. The reversal of 6435660222 is 2220665346.

6435660222 is a `hidden beast` number, since 6 + 43 + 5 + 6 + 602 + 2 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (6435660181) and next prime (6435660263).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7095093 + ... + 7095999.

It is an arithmetic number, because the mean of its divisors is an integer number (121354200).

Almost surely, 2^6435660222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6435660222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7766668800).

6435660222 is an abundant number, since it is smaller than the sum of its proper divisors (9097677378).

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

6435660222 is a wasteful number, since it uses less digits than its factorization.

6435660222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 6435660222 is about 80222.5667876565. The cubic root of 6435660222 is about 1860.0774837649.

The spelling of 6435660222 in words is "six billion, four hundred thirty-five million, six hundred sixty thousand, two hundred twenty-two".