3221222130 has 48 divisors (see below), whose sum is σ = 9571633344. Its totient is φ = 736279200.

The previous prime is 3221222119. The next prime is 3221222131. The reversal of 3221222130 is 312221223.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3221222131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2555896 + ... + 2557155.

It is an arithmetic number, because the mean of its divisors is an integer number (199409028).

Almost surely, 2^3221222130 is an apocalyptic number.

3221222130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3221222130 is an abundant number, since it is smaller than the sum of its proper divisors (6350411214).

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

3221222130 is a wasteful number, since it uses less digits than its factorization.

3221222130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113071 (or 5113068 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3221222130 is about 56755.8114205057. The cubic root of 3221222130 is about 1476.8630492492.

Adding to 3221222130 its reverse (312221223), we get a palindrome (3533443353).

The spelling of 3221222130 in words is "three billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred thirty".