2655420222 has 128 divisors (see below), whose sum is σ = 6658154496. Its totient is φ = 687439872.

The previous prime is 2655420217. The next prime is 2655420239. The reversal of 2655420222 is 2220245562.

It is a self number, because there is not a number n which added to its sum of digits gives 2655420222.

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, 11907603 + ... + 11907825.

It is an arithmetic number, because the mean of its divisors is an integer number (52016832).

Almost surely, 2^2655420222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2655420222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3329077248).

2655420222 is an abundant number, since it is smaller than the sum of its proper divisors (4002734274).

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

2655420222 is a wasteful number, since it uses less digits than its factorization.

2655420222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2655420222 is about 51530.7696624066. The cubic root of 2655420222 is about 1384.7703393955.

Adding to 2655420222 its reverse (2220245562), we get a palindrome (4875665784).

The spelling of 2655420222 in words is "two billion, six hundred fifty-five million, four hundred twenty thousand, two hundred twenty-two".