2229945858 has 96 divisors (see below), whose sum is σ = 5735448576. Its totient is φ = 612922464.

The previous prime is 2229945857. The next prime is 2229945863. The reversal of 2229945858 is 8585499222.

It is a happy number.

It is a super-2 number, since 2×2229945858² = 9945317059222712328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2229945857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 359935 + ... + 366077.

It is an arithmetic number, because the mean of its divisors is an integer number (59744256).

Almost surely, 2^2229945858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2229945858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2867724288).

2229945858 is an abundant number, since it is smaller than the sum of its proper divisors (3505502718).

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

2229945858 is a wasteful number, since it uses less digits than its factorization.

2229945858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268 (or 6265 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 2229945858 is about 47222.3025486899. The cubic root of 2229945858 is about 1306.4659828053.

The spelling of 2229945858 in words is "two billion, two hundred twenty-nine million, nine hundred forty-five thousand, eight hundred fifty-eight".