3526708221 has 8 divisors (see below), whose sum is σ = 5224752960. Its totient is φ = 2351138796.

The previous prime is 3526708217. The next prime is 3526708277. The reversal of 3526708221 is 1228076253.

It is not a de Polignac number, because 3526708221 - 2² = 3526708217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3526708201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65309385 + ... + 65309438.

It is an arithmetic number, because the mean of its divisors is an integer number (653094120).

Almost surely, 2^3526708221 is an apocalyptic number.

It is an amenable number.

3526708221 is a deficient number, since it is larger than the sum of its proper divisors (1698044739).

3526708221 is a wasteful number, since it uses less digits than its factorization.

3526708221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130618832 (or 130618826 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 3526708221 is about 59386.0945087316. The cubic root of 3526708221 is about 1522.1466985792.

The spelling of 3526708221 in words is "three billion, five hundred twenty-six million, seven hundred eight thousand, two hundred twenty-one".