2231120245 has 4 divisors (see below), whose sum is σ = 2677344300. Its totient is φ = 1784896192.

The previous prime is 2231120197. The next prime is 2231120279. The reversal of 2231120245 is 5420211322.

It is a happy number.

2231120245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1696863249 + 534256996 = 41193^2 + 23114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231120245 - 2¹³ = 2231112053 is a prime.

It is a super-3 number, since 3×2231120245³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223112020 + ... + 223112029.

It is an arithmetic number, because the mean of its divisors is an integer number (669336075).

Almost surely, 2^2231120245 is an apocalyptic number.

It is an amenable number.

2231120245 is a deficient number, since it is larger than the sum of its proper divisors (446224055).

2231120245 is an equidigital number, since it uses as much as digits as its factorization.

2231120245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446224054.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2231120245 is about 47234.7355766919. The cubic root of 2231120245 is about 1306.6952899276.

Adding to 2231120245 its reverse (5420211322), we get a palindrome (7651331567).

It can be divided in two parts, 2231120 and 245, that multiplied together give a square (546624400 = 23380²).

The spelling of 2231120245 in words is "two billion, two hundred thirty-one million, one hundred twenty thousand, two hundred forty-five".