6400220622222 has 32 divisors (see below), whose sum is σ = 14805329640192. Its totient is φ = 1806602721984.

The previous prime is 6400220622151. The next prime is 6400220622223. The reversal of 6400220622222 is 2222260220046.

It is a super-3 number, since 3×6400220622222³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6400220622222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400220622223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917985703 + ... + 917992674.

It is an arithmetic number, because the mean of its divisors is an integer number (462666551256).

Almost surely, 2^{6400220622222} is an apocalyptic number.

6400220622222 is an abundant number, since it is smaller than the sum of its proper divisors (8405109017970).

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

6400220622222 is a wasteful number, since it uses less digits than its factorization.

6400220622222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835978472.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 6400220622222 its reverse (2222260220046), we get a palindrome (8622480842268).

The spelling of 6400220622222 in words is "six trillion, four hundred billion, two hundred twenty million, six hundred twenty-two thousand, two hundred twenty-two".