2226021252 has 96 divisors (see below), whose sum is σ = 6482939904. Its totient is φ = 578793600.

The previous prime is 2226021227. The next prime is 2226021283. The reversal of 2226021252 is 2521206222.

It is a happy number.

It is a super-2 number, since 2×2226021252² = 9910341228711295008, which contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 63177 + ... + 91887.

It is an arithmetic number, because the mean of its divisors is an integer number (67530624).

Almost surely, 2^2226021252 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 2226021252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3241469952).

2226021252 is an abundant number, since it is smaller than the sum of its proper divisors (4256918652).

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

2226021252 is a wasteful number, since it uses less digits than its factorization.

2226021252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28809 (or 28807 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2226021252 is about 47180.7296679481. The cubic root of 2226021252 is about 1305.6990919652.

Adding to 2226021252 its reverse (2521206222), we get a palindrome (4747227474).

The spelling of 2226021252 in words is "two billion, two hundred twenty-six million, twenty-one thousand, two hundred fifty-two".