2231443401 has 24 divisors (see below), whose sum is σ = 3311763840. Its totient is φ = 1335253920.

The previous prime is 2231443351. The next prime is 2231443411. The reversal of 2231443401 is 1043441322.

It is not a de Polignac number, because 2231443401 - 2¹⁴ = 2231427017 is a prime.

It is a super-3 number, since 3×2231443401³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231443411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10230 + ... + 67583.

It is an arithmetic number, because the mean of its divisors is an integer number (137990160).

Almost surely, 2^2231443401 is an apocalyptic number.

It is an amenable number.

2231443401 is a deficient number, since it is larger than the sum of its proper divisors (1080320439).

2231443401 is a wasteful number, since it uses less digits than its factorization.

2231443401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77917 (or 77906 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2231443401 is about 47238.1561981413. The cubic root of 2231443401 is about 1306.7583742367.

Adding to 2231443401 its reverse (1043441322), we get a palindrome (3274884723).

The spelling of 2231443401 in words is "two billion, two hundred thirty-one million, four hundred forty-three thousand, four hundred one".