3222121131 has 6 divisors (see below), whose sum is σ = 4654174980. Its totient is φ = 2148080748.

The previous prime is 3222121103. The next prime is 3222121141. The reversal of 3222121131 is 1311212223.

3222121131 is a `hidden beast` number, since 322 + 212 + 1 + 131 = 666.

It is not a de Polignac number, because 3222121131 - 2⁷ = 3222121003 is a prime.

It is a super-2 number, since 2×3222121131² = 20764129165673438322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3222121141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179006721 + ... + 179006738.

It is an arithmetic number, because the mean of its divisors is an integer number (775695830).

Almost surely, 2^3222121131 is an apocalyptic number.

3222121131 is a deficient number, since it is larger than the sum of its proper divisors (1432053849).

3222121131 is a wasteful number, since it uses less digits than its factorization.

3222121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358013465 (or 358013462 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 3222121131 is about 56763.7307706250. The cubic root of 3222121131 is about 1477.0004275288. Note that the first 3 decimals are identical.

Adding to 3222121131 its reverse (1311212223), we get a palindrome (4533333354).

The spelling of 3222121131 in words is "three billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred thirty-one".