2231534442 has 32 divisors (see below), whose sum is σ = 4630500864. Its totient is φ = 716184000.

The previous prime is 2231534441. The next prime is 2231534447. The reversal of 2231534442 is 2444351322.

It is a super-3 number, since 3×2231534442³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231534441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6192 + ... + 67092.

It is an arithmetic number, because the mean of its divisors is an integer number (144703152).

Almost surely, 2^2231534442 is an apocalyptic number.

2231534442 is an abundant number, since it is smaller than the sum of its proper divisors (2398966422).

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

2231534442 is a wasteful number, since it uses less digits than its factorization.

2231534442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61134.

The product of its digits is 23040, while the sum is 30.

The square root of 2231534442 is about 47239.1198266860. The cubic root of 2231534442 is about 1306.7761455398.

Adding to 2231534442 its reverse (2444351322), we get a palindrome (4675885764).

The spelling of 2231534442 in words is "two billion, two hundred thirty-one million, five hundred thirty-four thousand, four hundred forty-two".