2601221732 has 12 divisors (see below), whose sum is σ = 4553016300. Its totient is φ = 1300359936.

The previous prime is 2601221713. The next prime is 2601221773. The reversal of 2601221732 is 2371221062.

It can be written as a sum of positive squares in 2 ways, for example, as 1435955236 + 1165266496 = 37894^2 + 34136^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38357 + ... + 81692.

It is an arithmetic number, because the mean of its divisors is an integer number (379418025).

Almost surely, 2^2601221732 is an apocalyptic number.

It is an amenable number.

2601221732 is a deficient number, since it is larger than the sum of its proper divisors (1951794568).

2601221732 is a wasteful number, since it uses less digits than its factorization.

2601221732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125470 (or 125468 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2601221732 is about 51002.1737968099. The cubic root of 2601221732 is about 1375.2842135573.

Adding to 2601221732 its reverse (2371221062), we get a palindrome (4972442794).

The spelling of 2601221732 in words is "two billion, six hundred one million, two hundred twenty-one thousand, seven hundred thirty-two".