2231132404 has 6 divisors (see below), whose sum is σ = 3904481714. Its totient is φ = 1115566200.

The previous prime is 2231132381. The next prime is 2231132417. The reversal of 2231132404 is 4042311322.

It can be written as a sum of positive squares in only one way, i.e., 1990944400 + 240188004 = 44620^2 + 15498^2 .

It is a super-3 number, since 3×2231132404³ (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 as a sum of consecutive naturals, namely, 278891547 + ... + 278891554.

Almost surely, 2^2231132404 is an apocalyptic number.

It is an amenable number.

2231132404 is a deficient number, since it is larger than the sum of its proper divisors (1673349310).

2231132404 is a wasteful number, since it uses less digits than its factorization.

2231132404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557783105 (or 557783103 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2231132404 is about 47234.8642847632. The cubic root of 2231132404 is about 1306.6976636348.

Adding to 2231132404 its reverse (4042311322), we get a palindrome (6273443726).

The spelling of 2231132404 in words is "two billion, two hundred thirty-one million, one hundred thirty-two thousand, four hundred four".