2251445124 has 24 divisors (see below), whose sum is σ = 5293477728. Its totient is φ = 744752320.

The previous prime is 2251445123. The next prime is 2251445129. The reversal of 2251445124 is 4215441522.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2251445091 and 2251445100.

It is not an unprimeable number, because it can be changed into a prime (2251445123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714537 + ... + 717680.

It is an arithmetic number, because the mean of its divisors is an integer number (220561572).

Almost surely, 2^2251445124 is an apocalyptic number.

It is an amenable number.

2251445124 is an abundant number, since it is smaller than the sum of its proper divisors (3042032604).

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

2251445124 is a wasteful number, since it uses less digits than its factorization.

2251445124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432355 (or 1432353 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 2251445124 is about 47449.3954018384. The cubic root of 2251445124 is about 1310.6511775299.

Adding to 2251445124 its reverse (4215441522), we get a palindrome (6466886646).

The spelling of 2251445124 in words is "two billion, two hundred fifty-one million, four hundred forty-five thousand, one hundred twenty-four".