2125220304 has 80 divisors (see below), whose sum is σ = 5670922752. Its totient is φ = 685394304.

The previous prime is 2125220299. The next prime is 2125220333. The reversal of 2125220304 is 4030225212.

2125220304 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2125220304² = 9033122681067704832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216037 + ... + 225659.

Almost surely, 2^2125220304 is an apocalyptic number.

2125220304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2125220304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2835461376).

2125220304 is an abundant number, since it is smaller than the sum of its proper divisors (3545702448).

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

2125220304 is a wasteful number, since it uses less digits than its factorization.

2125220304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9784 (or 9778 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2125220304 is about 46100.1117569144. Note that the first 3 decimals coincide. The cubic root of 2125220304 is about 1285.6852223130.

Adding to 2125220304 its reverse (4030225212), we get a palindrome (6155445516).

The spelling of 2125220304 in words is "two billion, one hundred twenty-five million, two hundred twenty thousand, three hundred four".