2251542234 has 16 divisors (see below), whose sum is σ = 4508539488. Its totient is φ = 749604912.

The previous prime is 2251542217. The next prime is 2251542253. The reversal of 2251542234 is 4322451522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221917 + ... + 231840.

It is an arithmetic number, because the mean of its divisors is an integer number (281783718).

Almost surely, 2^2251542234 is an apocalyptic number.

2251542234 is an abundant number, since it is smaller than the sum of its proper divisors (2256997254).

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

2251542234 is a wasteful number, since it uses less digits than its factorization.

2251542234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454589.

The product of its digits is 19200, while the sum is 30.

The square root of 2251542234 is about 47450.4186915142. The cubic root of 2251542234 is about 1310.6700210577.

Adding to 2251542234 its reverse (4322451522), we get a palindrome (6573993756).

The spelling of 2251542234 in words is "two billion, two hundred fifty-one million, five hundred forty-two thousand, two hundred thirty-four".