3222223220 has 24 divisors (see below), whose sum is σ = 6768292608. Its totient is φ = 1288580000.

The previous prime is 3222223219. The next prime is 3222223237. The reversal of 3222223220 is 223222223.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3222223192 and 3222223201.

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, 78065 + ... + 111975.

It is an arithmetic number, because the mean of its divisors is an integer number (282012192).

Almost surely, 2^3222223220 is an apocalyptic number.

It is an amenable number.

3222223220 is an abundant number, since it is smaller than the sum of its proper divisors (3546069388).

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

3222223220 is a wasteful number, since it uses less digits than its factorization.

3222223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38671 (or 38669 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3222223220 is about 56764.6300084833. The cubic root of 3222223220 is about 1477.0160263531.

3222223220 divided by its sum of digits (20) gives a palindrome (161111161).

Adding to 3222223220 its reverse (223222223), we get a palindrome (3445445443).

The spelling of 3222223220 in words is "three billion, two hundred twenty-two million, two hundred twenty-three thousand, two hundred twenty".