2211252244 has 6 divisors (see below), whose sum is σ = 3869691434. Its totient is φ = 1105626120.

The previous prime is 2211252181. The next prime is 2211252299. The reversal of 2211252244 is 4422521122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1827562500 + 383689744 = 42750^2 + 19588^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 276406527 + ... + 276406534.

Almost surely, 2^2211252244 is an apocalyptic number.

It is an amenable number.

2211252244 is a deficient number, since it is larger than the sum of its proper divisors (1658439190).

2211252244 is a wasteful number, since it uses less digits than its factorization.

2211252244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552813065 (or 552813063 counting only the distinct ones).

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

The square root of 2211252244 is about 47023.9539383919. The cubic root of 2211252244 is about 1302.8050366528.

Adding to 2211252244 its reverse (4422521122), we get a palindrome (6633773366).

The spelling of 2211252244 in words is "two billion, two hundred eleven million, two hundred fifty-two thousand, two hundred forty-four".