2231201245 has 32 divisors (see below), whose sum is σ = 3317529600. Its totient is φ = 1402755840.

The previous prime is 2231201239. The next prime is 2231201281. The reversal of 2231201245 is 5421021322.

It is a happy number.

It is not a de Polignac number, because 2231201245 - 2⁷ = 2231201117 is a prime.

It is a super-3 number, since 3×2231201245³ (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 31 ways as a sum of consecutive naturals, for example, 51340 + ... + 84250.

It is an arithmetic number, because the mean of its divisors is an integer number (103672800).

Almost surely, 2^2231201245 is an apocalyptic number.

It is an amenable number.

2231201245 is a deficient number, since it is larger than the sum of its proper divisors (1086328355).

2231201245 is a wasteful number, since it uses less digits than its factorization.

2231201245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33085.

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

The square root of 2231201245 is about 47235.5929887622. The cubic root of 2231201245 is about 1306.7111027669.

Adding to 2231201245 its reverse (5421021322), we get a palindrome (7652222567).

The spelling of 2231201245 in words is "two billion, two hundred thirty-one million, two hundred one thousand, two hundred forty-five".