2231001332 has 12 divisors (see below), whose sum is σ = 4462002720. Its totient is φ = 956143416.

The previous prime is 2231001277. The next prime is 2231001361. The reversal of 2231001332 is 2331001322.

2231001332 is an admirable number.

It is a super-3 number, since 3×2231001332³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231001332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39839282 + ... + 39839337.

It is an arithmetic number, because the mean of its divisors is an integer number (371833560).

Almost surely, 2^2231001332 is an apocalyptic number.

It is an amenable number.

2231001332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2231001332 is a wasteful number, since it uses less digits than its factorization.

2231001332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79678630 (or 79678628 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2231001332 is about 47233.4768146492. The cubic root of 2231001332 is about 1306.6720750100.

Adding to 2231001332 its reverse (2331001322), we get a palindrome (4562002654).

The spelling of 2231001332 in words is "two billion, two hundred thirty-one million, one thousand, three hundred thirty-two".