3220021254 has 16 divisors (see below), whose sum is σ = 6561553392. Its totient is φ = 1053088608.

The previous prime is 3220021247. The next prime is 3220021267. The reversal of 3220021254 is 4521200223.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3220021254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5062609 + ... + 5063244.

It is an arithmetic number, because the mean of its divisors is an integer number (410097087).

Almost surely, 2^3220021254 is an apocalyptic number.

3220021254 is an abundant number, since it is smaller than the sum of its proper divisors (3341532138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3220021254 is a wasteful number, since it uses less digits than its factorization.

3220021254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125911.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 3220021254 is about 56745.2311124027. The cubic root of 3220021254 is about 1476.6795009192.

Adding to 3220021254 its reverse (4521200223), we get a palindrome (7741221477).

The spelling of 3220021254 in words is "three billion, two hundred twenty million, twenty-one thousand, two hundred fifty-four".