3223131 has 4 divisors (see below), whose sum is σ = 4297512. Its totient is φ = 2148752.

The previous prime is 3223127. The next prime is 3223153. The reversal of 3223131 is 1313223.

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 3223131 - 2² = 3223127 is a prime.

It is a super-2 number, since 2×3223131² = 20777146886322, which contains 22 as substring.

It is a D-number.

3223131 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3223131.

It is not an unprimeable number, because it can be changed into a prime (3223531) 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, 537186 + ... + 537191.

It is an arithmetic number, because the mean of its divisors is an integer number (1074378).

Almost surely, 2^3223131 is an apocalyptic number.

3223131 is a deficient number, since it is larger than the sum of its proper divisors (1074381).

3223131 is a wasteful number, since it uses less digits than its factorization.

3223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074380.

The product of its digits is 108, while the sum is 15.

The square root of 3223131 is about 1795.3080515611. The cubic root of 3223131 is about 147.7154717315.

Adding to 3223131 its reverse (1313223), we get a palindrome (4536354).

The spelling of 3223131 in words is "three million, two hundred twenty-three thousand, one hundred thirty-one".