3501340221 has 8 divisors (see below), whose sum is σ = 4734206784. Its totient is φ = 2301350240.

The previous prime is 3501340169. The next prime is 3501340223. The reversal of 3501340221 is 1220431053.

3501340221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3501340221 - 2²² = 3497145917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3501340223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8218896 + ... + 8219321.

It is an arithmetic number, because the mean of its divisors is an integer number (591775848).

Almost surely, 2^3501340221 is an apocalyptic number.

It is an amenable number.

3501340221 is a deficient number, since it is larger than the sum of its proper divisors (1232866563).

3501340221 is a wasteful number, since it uses less digits than its factorization.

3501340221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16438291.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3501340221 is about 59172.1236816797. The cubic root of 3501340221 is about 1518.4882564598.

Adding to 3501340221 its reverse (1220431053), we get a palindrome (4721771274).

The spelling of 3501340221 in words is "three billion, five hundred one million, three hundred forty thousand, two hundred twenty-one".