3222112521 has 16 divisors (see below), whose sum is σ = 4310457536. Its totient is φ = 2140934976.

The previous prime is 3222112519. The next prime is 3222112639. The reversal of 3222112521 is 1252112223.

It is not a de Polignac number, because 3222112521 - 2¹ = 3222112519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3222312521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1902351 + ... + 1904043.

It is an arithmetic number, because the mean of its divisors is an integer number (269403596).

Almost surely, 2^3222112521 is an apocalyptic number.

It is an amenable number.

3222112521 is a deficient number, since it is larger than the sum of its proper divisors (1088345015).

3222112521 is a wasteful number, since it uses less digits than its factorization.

3222112521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432.

The product of its digits is 480, while the sum is 21.

The square root of 3222112521 is about 56763.6549298933. The cubic root of 3222112521 is about 1476.9991119373. Note that the first 3 decimals are identical.

Adding to 3222112521 its reverse (1252112223), we get a palindrome (4474224744).

The spelling of 3222112521 in words is "three billion, two hundred twenty-two million, one hundred twelve thousand, five hundred twenty-one".