3222220365 has 128 divisors (see below), whose sum is σ = 7148897280. Its totient is φ = 1340706816.

The previous prime is 3222220333. The next prime is 3222220373. The reversal of 3222220365 is 5630222223.

It is not a de Polignac number, because 3222220365 - 2⁵ = 3222220333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 895009 + ... + 898601.

It is an arithmetic number, because the mean of its divisors is an integer number (55850760).

Almost surely, 2^3222220365 is an apocalyptic number.

3222220365 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3222220365 is an abundant number, since it is smaller than the sum of its proper divisors (3926676915).

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

3222220365 is a wasteful number, since it uses less digits than its factorization.

3222220365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700 (or 3694 counting only the distinct ones).

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

The square root of 3222220365 is about 56764.6048607757. The cubic root of 3222220365 is about 1477.0155901240.

Adding to 3222220365 its reverse (5630222223), we get a palindrome (8852442588).

The spelling of 3222220365 in words is "three billion, two hundred twenty-two million, two hundred twenty thousand, three hundred sixty-five".