2162251544 has 16 divisors (see below), whose sum is σ = 4140482400. Its totient is φ = 1058122912.

The previous prime is 2162251523. The next prime is 2162251549. The reversal of 2162251544 is 4451522612.

It is a self number, because there is not a number n which added to its sum of digits gives 2162251544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162251549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2874959 + ... + 2875710.

It is an arithmetic number, because the mean of its divisors is an integer number (258780150).

Almost surely, 2^2162251544 is an apocalyptic number.

It is an amenable number.

2162251544 is a deficient number, since it is larger than the sum of its proper divisors (1978230856).

2162251544 is a wasteful number, since it uses less digits than its factorization.

2162251544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5750722 (or 5750718 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 2162251544 is about 46500.0166021476. The cubic root of 2162251544 is about 1293.1098066129.

The spelling of 2162251544 in words is "two billion, one hundred sixty-two million, two hundred fifty-one thousand, five hundred forty-four".