2228665088 has 72 divisors (see below), whose sum is σ = 4829465088. Its totient is φ = 1020321792.

The previous prime is 2228665081. The next prime is 2228665111. The reversal of 2228665088 is 8805668222.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2228665081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420020 + ... + 425292.

It is an arithmetic number, because the mean of its divisors is an integer number (67075904).

Almost surely, 2^2228665088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2228665088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2414732544).

2228665088 is an abundant number, since it is smaller than the sum of its proper divisors (2600800000).

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

2228665088 is a wasteful number, since it uses less digits than its factorization.

2228665088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5429 (or 5415 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The square root of 2228665088 is about 47208.7395298794. The cubic root of 2228665088 is about 1306.2158118751.

The spelling of 2228665088 in words is "two billion, two hundred twenty-eight million, six hundred sixty-five thousand, eighty-eight".