2251542244 has 12 divisors (see below), whose sum is σ = 4503084544. Its totient is φ = 964946664.

The previous prime is 2251542217. The next prime is 2251542253. The reversal of 2251542244 is 4422451522.

2251542244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2251542244 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40206084 + ... + 40206139.

Almost surely, 2^2251542244 is an apocalyptic number.

It is an amenable number.

2251542244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2251542244 is a wasteful number, since it uses less digits than its factorization.

2251542244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80412234 (or 80412232 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 2251542244 is about 47450.4187968873. The cubic root of 2251542244 is about 1310.6700229981.

Adding to 2251542244 its reverse (4422451522), we get a palindrome (6673993766).

The spelling of 2251542244 in words is "two billion, two hundred fifty-one million, five hundred forty-two thousand, two hundred forty-four".