3667522 has 4 divisors (see below), whose sum is σ = 5501286. Its totient is φ = 1833760.

The previous prime is 3667501. The next prime is 3667537. The reversal of 3667522 is 2257663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2257663 = 89 ⋅25367.

It can be written as a sum of positive squares in only one way, i.e., 3164841 + 502681 = 1779^2 + 709^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 916879 + ... + 916882.

Almost surely, 2^3667522 is an apocalyptic number.

3667522 is a deficient number, since it is larger than the sum of its proper divisors (1833764).

3667522 is a wasteful number, since it uses less digits than its factorization.

3667522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833763.

The product of its digits is 15120, while the sum is 31.

The square root of 3667522 is about 1915.0775441219. The cubic root of 3667522 is about 154.2141564272.

The spelling of 3667522 in words is "three million, six hundred sixty-seven thousand, five hundred twenty-two".