2011225444 has 6 divisors (see below), whose sum is σ = 3519644534. Its totient is φ = 1005612720.

The previous prime is 2011225441. The next prime is 2011225537. The reversal of 2011225444 is 4445221102.

It can be written as a sum of positive squares in only one way, i.e., 1158585444 + 852640000 = 34038^2 + 29200^2 .

It is not an unprimeable number, because it can be changed into a prime (2011225441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251403177 + ... + 251403184.

Almost surely, 2^2011225444 is an apocalyptic number.

It is an amenable number.

2011225444 is a deficient number, since it is larger than the sum of its proper divisors (1508419090).

2011225444 is a wasteful number, since it uses less digits than its factorization.

2011225444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502806365 (or 502806363 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2011225444 is about 44846.6882166342. The cubic root of 2011225444 is about 1262.2738490324.

Adding to 2011225444 its reverse (4445221102), we get a palindrome (6456446546).

The spelling of 2011225444 in words is "two billion, eleven million, two hundred twenty-five thousand, four hundred forty-four".