3522245 has 4 divisors (see below), whose sum is σ = 4226700. Its totient is φ = 2817792.

The previous prime is 3522217. The next prime is 3522263. The reversal of 3522245 is 5422253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5422253 = 563 ⋅9631.

It can be written as a sum of positive squares in 2 ways, for example, as 543169 + 2979076 = 737^2 + 1726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3522245 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3522245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352220 + ... + 352229.

It is an arithmetic number, because the mean of its divisors is an integer number (1056675).

Almost surely, 2^3522245 is an apocalyptic number.

It is an amenable number.

3522245 is a deficient number, since it is larger than the sum of its proper divisors (704455).

3522245 is an equidigital number, since it uses as much as digits as its factorization.

3522245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704454.

The product of its digits is 2400, while the sum is 23.

The square root of 3522245 is about 1876.7645030744. The cubic root of 3522245 is about 152.1504310587.

Adding to 3522245 its reverse (5422253), we get a palindrome (8944498).

The spelling of 3522245 in words is "three million, five hundred twenty-two thousand, two hundred forty-five".