3522121 has 4 divisors (see below), whose sum is σ = 3547600. Its totient is φ = 3496644.

The previous prime is 3522109. The next prime is 3522131. The reversal of 3522121 is 1212253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3522121 - 2¹⁷ = 3391049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3522095 and 3522104.

It is not an unprimeable number, because it can be changed into a prime (3522131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12531 + ... + 12808.

It is an arithmetic number, because the mean of its divisors is an integer number (886900).

Almost surely, 2^3522121 is an apocalyptic number.

It is an amenable number.

3522121 is a deficient number, since it is larger than the sum of its proper divisors (25479).

3522121 is a wasteful number, since it uses less digits than its factorization.

3522121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25478.

The product of its digits is 120, while the sum is 16.

The square root of 3522121 is about 1876.7314672057. The cubic root of 3522121 is about 152.1486455616.

Adding to 3522121 its reverse (1212253), we get a palindrome (4734374).

The spelling of 3522121 in words is "three million, five hundred twenty-two thousand, one hundred twenty-one".