2301221332 has 36 divisors (see below), whose sum is σ = 4146858324. Its totient is φ = 1117321600.

The previous prime is 2301221317. The next prime is 2301221339. The reversal of 2301221332 is 2331221032.

It can be written as a sum of positive squares in 2 ways, for example, as 697699396 + 1603521936 = 26414^2 + 40044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301221339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1209582 + ... + 1211482.

It is an arithmetic number, because the mean of its divisors is an integer number (115190509).

Almost surely, 2^2301221332 is an apocalyptic number.

It is an amenable number.

2301221332 is a deficient number, since it is larger than the sum of its proper divisors (1845636992).

2301221332 is a wasteful number, since it uses less digits than its factorization.

2301221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136 (or 2087 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2301221332 is about 47971.0468095079. The cubic root of 2301221332 is about 1320.2397276568.

Adding to 2301221332 its reverse (2331221032), we get a palindrome (4632442364).

It can be divided in two parts, 23012 and 21332, that added together give a palindrome (44344).

The spelling of 2301221332 in words is "two billion, three hundred one million, two hundred twenty-one thousand, three hundred thirty-two".