3222011231 has 4 divisors (see below), whose sum is σ = 3228573864. Its totient is φ = 3215448600.

The previous prime is 3222011183. The next prime is 3222011249. The reversal of 3222011231 is 1321102223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1321102223 = 7 ⋅188728889.

It is a cyclic number.

It is not a de Polignac number, because 3222011231 - 2¹⁴ = 3221994847 is a prime.

It is a super-2 number, since 2×3222011231² = 20762712745380270722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222011251) 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, 3280580 + ... + 3281561.

It is an arithmetic number, because the mean of its divisors is an integer number (807143466).

Almost surely, 2^3222011231 is an apocalyptic number.

3222011231 is a deficient number, since it is larger than the sum of its proper divisors (6562633).

3222011231 is an equidigital number, since it uses as much as digits as its factorization.

3222011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562632.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3222011231 is about 56762.7627146530. The cubic root of 3222011231 is about 1476.9836348441.

Adding to 3222011231 its reverse (1321102223), we get a palindrome (4543113454).

The spelling of 3222011231 in words is "three billion, two hundred twenty-two million, eleven thousand, two hundred thirty-one".