3220225236 has 36 divisors (see below), whose sum is σ = 8163503712. Its totient is φ = 1070310864.

The previous prime is 3220225219. The next prime is 3220225243. The reversal of 3220225236 is 6325220223.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116400 + ... + 141383.

It is an arithmetic number, because the mean of its divisors is an integer number (226763992).

Almost surely, 2^3220225236 is an apocalyptic number.

3220225236 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3220225236 is an abundant number, since it is smaller than the sum of its proper divisors (4943278476).

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

3220225236 is a wasteful number, since it uses less digits than its factorization.

3220225236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258140 (or 258135 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 3220225236 is about 56747.0284332140. The cubic root of 3220225236 is about 1476.7106818394.

Adding to 3220225236 its reverse (6325220223), we get a palindrome (9545445459).

The spelling of 3220225236 in words is "three billion, two hundred twenty million, two hundred twenty-five thousand, two hundred thirty-six".