3222154121 has 4 divisors (see below), whose sum is σ = 3391741200. Its totient is φ = 3052567044.

The previous prime is 3222154087. The next prime is 3222154129. The reversal of 3222154121 is 1214512223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1214512223 = 449 ⋅2704927.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3222154121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3222154129) 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, 84793511 + ... + 84793548.

It is an arithmetic number, because the mean of its divisors is an integer number (847935300).

Almost surely, 2^3222154121 is an apocalyptic number.

It is an amenable number.

3222154121 is a deficient number, since it is larger than the sum of its proper divisors (169587079).

3222154121 is a wasteful number, since it uses less digits than its factorization.

3222154121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169587078.

The product of its digits is 960, while the sum is 23.

The square root of 3222154121 is about 56764.0213603652. The cubic root of 3222154121 is about 1477.0054683156.

Adding to 3222154121 its reverse (1214512223), we get a palindrome (4436666344).

The spelling of 3222154121 in words is "three billion, two hundred twenty-two million, one hundred fifty-four thousand, one hundred twenty-one".