3522604421 has 12 divisors (see below), whose sum is σ = 4126433376. Its totient is φ = 2945722080.

The previous prime is 3522604403. The next prime is 3522604439. The reversal of 3522604421 is 1244062253.

It is an interprime number because it is at equal distance from previous prime (3522604403) and next prime (3522604439).

It is not a de Polignac number, because 3522604421 - 2¹⁰ = 3522603397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3522604021) 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, 137915 + ... + 161448.

It is an arithmetic number, because the mean of its divisors is an integer number (343869448).

Almost surely, 2^3522604421 is an apocalyptic number.

It is an amenable number.

3522604421 is a deficient number, since it is larger than the sum of its proper divisors (603828955).

3522604421 is an equidigital number, since it uses as much as digits as its factorization.

3522604421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299452 (or 299411 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 3522604421 is about 59351.5325918379. The cubic root of 3522604421 is about 1521.5560618615.

Adding to 3522604421 its reverse (1244062253), we get a palindrome (4766666674).

The spelling of 3522604421 in words is "three billion, five hundred twenty-two million, six hundred four thousand, four hundred twenty-one".