2225709252 has 120 divisors (see below), whose sum is σ = 6399904896. Its totient is φ = 670203072.

The previous prime is 2225709223. The next prime is 2225709319. The reversal of 2225709252 is 2529075222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 192343 + ... + 203585.

Almost surely, 2^2225709252 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 2225709252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3199952448).

2225709252 is an abundant number, since it is smaller than the sum of its proper divisors (4174195644).

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

2225709252 is a wasteful number, since it uses less digits than its factorization.

2225709252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11319 (or 11308 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2225709252 is about 47177.4231174192. The cubic root of 2225709252 is about 1305.6380866849.

The spelling of 2225709252 in words is "two billion, two hundred twenty-five million, seven hundred nine thousand, two hundred fifty-two".