2251425330 has 192 divisors, whose sum is σ = 7682688000. Its totient is φ = 443180160.

The previous prime is 2251425329. The next prime is 2251425367. The reversal of 2251425330 is 335241522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2251425294 and 2251425303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 123121 + ... + 140219.

It is an arithmetic number, because the mean of its divisors is an integer number (40014000).

Almost surely, 2^2251425330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2251425330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3841344000).

2251425330 is an abundant number, since it is smaller than the sum of its proper divisors (5431262670).

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

2251425330 is a wasteful number, since it uses less digits than its factorization.

2251425330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17149 (or 17146 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2251425330 is about 47449.1868212723. The cubic root of 2251425330 is about 1310.6473365739.

Adding to 2251425330 its reverse (335241522), we get a palindrome (2586666852).

The spelling of 2251425330 in words is "two billion, two hundred fifty-one million, four hundred twenty-five thousand, three hundred thirty".