3222631 has 4 divisors (see below), whose sum is σ = 3255952. Its totient is φ = 3189312.

The previous prime is 3222629. The next prime is 3222643. The reversal of 3222631 is 1362223.

3222631 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 3222631 - 2¹ = 3222629 is a prime.

It is a super-2 number, since 2×3222631² = 20770701124322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3222599 and 3222608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222031) 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, 16515 + ... + 16708.

It is an arithmetic number, because the mean of its divisors is an integer number (813988).

Almost surely, 2^3222631 is an apocalyptic number.

3222631 is a deficient number, since it is larger than the sum of its proper divisors (33321).

3222631 is an equidigital number, since it uses as much as digits as its factorization.

3222631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33320.

The product of its digits is 432, while the sum is 19.

The square root of 3222631 is about 1795.1687942921. The cubic root of 3222631 is about 147.7078330353.

Adding to 3222631 its reverse (1362223), we get a palindrome (4584854).

The spelling of 3222631 in words is "three million, two hundred twenty-two thousand, six hundred thirty-one".