3522247 has 4 divisors (see below), whose sum is σ = 3729456. Its totient is φ = 3315040.

The previous prime is 3522217. The next prime is 3522263. The reversal of 3522247 is 7422253.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3522247 - 2¹⁹ = 2997959 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 (3522217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103579 + ... + 103612.

It is an arithmetic number, because the mean of its divisors is an integer number (932364).

Almost surely, 2^3522247 is an apocalyptic number.

3522247 is a deficient number, since it is larger than the sum of its proper divisors (207209).

3522247 is a wasteful number, since it uses less digits than its factorization.

3522247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207208.

The product of its digits is 3360, while the sum is 25.

The square root of 3522247 is about 1876.7650359062. The cubic root of 3522247 is about 152.1504598567.

The spelling of 3522247 in words is "three million, five hundred twenty-two thousand, two hundred forty-seven".