2231546625 has 256 divisors, whose sum is σ = 5329059840. Its totient is φ = 894240000.

The previous prime is 2231546623. The next prime is 2231546651. The reversal of 2231546625 is 5266451322.

2231546625 is a `hidden beast` number, since 2 + 23 + 1 + 5 + 4 + 6 + 625 = 666.

It is not a de Polignac number, because 2231546625 - 2¹ = 2231546623 is a prime.

It is a super-3 number, since 3×2231546625³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231546625.

It is not an unprimeable number, because it can be changed into a prime (2231546623) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 8055987 + ... + 8056263.

It is an arithmetic number, because the mean of its divisors is an integer number (20816640).

Almost surely, 2^2231546625 is an apocalyptic number.

2231546625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2231546625 is an abundant number, since it is smaller than the sum of its proper divisors (3097513215).

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

2231546625 is a wasteful number, since it uses less digits than its factorization.

2231546625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 334 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 2231546625 is about 47239.2487768381. The cubic root of 2231546625 is about 1306.7785236381.

Adding to 2231546625 its reverse (5266451322), we get a palindrome (7497997947).

The spelling of 2231546625 in words is "two billion, two hundred thirty-one million, five hundred forty-six thousand, six hundred twenty-five".