2601221733 has 24 divisors (see below), whose sum is σ = 4314629280. Its totient is φ = 1493523360.

The previous prime is 2601221713. The next prime is 2601221773. The reversal of 2601221733 is 3371221062.

2601221733 is a `hidden beast` number, since 2 + 601 + 2 + 21 + 7 + 33 = 666.

It is not a de Polignac number, because 2601221733 - 2²⁰ = 2600173157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2601221697 and 2601221706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601221713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 689566 + ... + 693327.

It is an arithmetic number, because the mean of its divisors is an integer number (179776220).

Almost surely, 2^2601221733 is an apocalyptic number.

It is an amenable number.

2601221733 is a deficient number, since it is larger than the sum of its proper divisors (1713407547).

2601221733 is a wasteful number, since it uses less digits than its factorization.

2601221733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382929 (or 1382926 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2601221733 is about 51002.1738066134. The cubic root of 2601221733 is about 1375.2842137336.

Adding to 2601221733 its reverse (3371221062), we get a palindrome (5972442795).

The spelling of 2601221733 in words is "two billion, six hundred one million, two hundred twenty-one thousand, seven hundred thirty-three".