2231538574 has 16 divisors (see below), whose sum is σ = 3464788320. Its totient is φ = 1076654880.

The previous prime is 2231538559. The next prime is 2231538583. The reversal of 2231538574 is 4758351322.

It is a super-3 number, since 3×2231538574³ (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 7 ways as a sum of consecutive naturals, for example, 95692 + ... + 116704.

It is an arithmetic number, because the mean of its divisors is an integer number (216549270).

Almost surely, 2^2231538574 is an apocalyptic number.

2231538574 is a deficient number, since it is larger than the sum of its proper divisors (1233249746).

2231538574 is a wasteful number, since it uses less digits than its factorization.

2231538574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22875.

The product of its digits is 201600, while the sum is 40.

The square root of 2231538574 is about 47239.1635616043. The cubic root of 2231538574 is about 1306.7769520993.

Adding to 2231538574 its reverse (4758351322), we get a palindrome (6989889896).

The spelling of 2231538574 in words is "two billion, two hundred thirty-one million, five hundred thirty-eight thousand, five hundred seventy-four".