3622531 has 4 divisors (see below), whose sum is σ = 3951864. Its totient is φ = 3293200.

The previous prime is 3622529. The next prime is 3622537. The reversal of 3622531 is 1352263.

3622531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3622531 - 2¹ = 3622529 is a prime.

It is a super-2 number, since 2×3622531² = 26245461691922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3622537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164650 + ... + 164671.

It is an arithmetic number, because the mean of its divisors is an integer number (987966).

Almost surely, 2^3622531 is an apocalyptic number.

3622531 is a deficient number, since it is larger than the sum of its proper divisors (329333).

3622531 is a wasteful number, since it uses less digits than its factorization.

3622531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329332.

The product of its digits is 1080, while the sum is 22.

The square root of 3622531 is about 1903.2947748575. The cubic root of 3622531 is about 153.5809572701.

Adding to 3622531 its reverse (1352263), we get a palindrome (4974794).

The spelling of 3622531 in words is "three million, six hundred twenty-two thousand, five hundred thirty-one".