2251230912 has 378 divisors, whose sum is σ = 7849653084. Its totient is φ = 614960640.

The previous prime is 2251230871. The next prime is 2251230913. The reversal of 2251230912 is 2190321522.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2251230913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 27123223 + ... + 27123305.

It is an arithmetic number, because the mean of its divisors is an integer number (20766278).

Almost surely, 2^2251230912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2251230912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3924826542).

2251230912 is an abundant number, since it is smaller than the sum of its proper divisors (5598422172).

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

2251230912 is a wasteful number, since it uses less digits than its factorization.

2251230912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2251230912 is about 47447.1380801835. The cubic root of 2251230912 is about 1310.6096092484.

The spelling of 2251230912 in words is "two billion, two hundred fifty-one million, two hundred thirty thousand, nine hundred twelve".