3522257 has 4 divisors (see below), whose sum is σ = 3574896. Its totient is φ = 3469620.

The previous prime is 3522217. The next prime is 3522263. The reversal of 3522257 is 7522253.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7522253 = 97 ⋅77549.

It is a cyclic number.

It is not a de Polignac number, because 3522257 - 2¹² = 3518161 is a prime.

It is a Duffinian 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, 26219 + ... + 26352.

It is an arithmetic number, because the mean of its divisors is an integer number (893724).

Almost surely, 2^3522257 is an apocalyptic number.

It is an amenable number.

3522257 is a deficient number, since it is larger than the sum of its proper divisors (52639).

3522257 is an equidigital number, since it uses as much as digits as its factorization.

3522257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52638.

The product of its digits is 4200, while the sum is 26.

The square root of 3522257 is about 1876.7677000631. The cubic root of 3522257 is about 152.1506038465.

The spelling of 3522257 in words is "three million, five hundred twenty-two thousand, two hundred fifty-seven".