3221512230 has 16 divisors (see below), whose sum is σ = 7731629424. Its totient is φ = 859069920.

The previous prime is 3221512213. The next prime is 3221512253. The reversal of 3221512230 is 322151223.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3221512197 and 3221512206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53691841 + ... + 53691900.

It is an arithmetic number, because the mean of its divisors is an integer number (483226839).

Almost surely, 2^3221512230 is an apocalyptic number.

3221512230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3221512230 is an abundant number, since it is smaller than the sum of its proper divisors (4510117194).

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

3221512230 is a wasteful number, since it uses less digits than its factorization.

3221512230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107383751.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3221512230 is about 56758.3670483921. The cubic root of 3221512230 is about 1476.9073828481.

Adding to 3221512230 its reverse (322151223), we get a palindrome (3543663453).

The spelling of 3221512230 in words is "three billion, two hundred twenty-one million, five hundred twelve thousand, two hundred thirty".