2025221231 has 16 divisors (see below), whose sum is σ = 2315105280. Its totient is φ = 1753641120.

The previous prime is 2025221221. The next prime is 2025221249. The reversal of 2025221231 is 1321225202.

It is not a de Polignac number, because 2025221231 - 2¹⁰ = 2025220207 is a prime.

It is a super-2 number, since 2×2025221231² = 8203042068986310722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025221201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43721 + ... + 77213.

It is an arithmetic number, because the mean of its divisors is an integer number (144694080).

Almost surely, 2^2025221231 is an apocalyptic number.

2025221231 is a deficient number, since it is larger than the sum of its proper divisors (289884049).

2025221231 is a wasteful number, since it uses less digits than its factorization.

2025221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33766.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2025221231 is about 45002.4580550885. The cubic root of 2025221231 is about 1265.1950687322.

Adding to 2025221231 its reverse (1321225202), we get a palindrome (3346446433).

The spelling of 2025221231 in words is "two billion, twenty-five million, two hundred twenty-one thousand, two hundred thirty-one".