2227781250 has 126 divisors (see below), whose sum is σ = 6102050799. Its totient is φ = 587400000.

The previous prime is 2227781243. The next prime is 2227781251. The reversal of 2227781250 is 521877222.

It can be written as a sum of positive squares in 11 ways, for example, as 2226046761 + 1734489 = 47181^2 + 1317^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33375.

It is not an unprimeable number, because it can be changed into a prime (2227781251) 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 62 ways as a sum of consecutive naturals, for example, 25031206 + ... + 25031294.

Almost surely, 2^2227781250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2227781250

2227781250 is an abundant number, since it is smaller than the sum of its proper divisors (3874269549).

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

2227781250 is an frugal number, since it uses more digits than its factorization.

2227781250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 2227781250 is about 47199.3776442020. The cubic root of 2227781250 is about 1306.0431171942.

The spelling of 2227781250 in words is "two billion, two hundred twenty-seven million, seven hundred eighty-one thousand, two hundred fifty".