2221223130 has 96 divisors (see below), whose sum is σ = 6607246464. Its totient is φ = 507166848.

The previous prime is 2221223117. The next prime is 2221223203. The reversal of 2221223130 is 313221222.

It is a super-4 number, since 4×2221223130⁴ (a number of 38 digits) contains 4444 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1124824 + ... + 1126796.

It is an arithmetic number, because the mean of its divisors is an integer number (68825484).

Almost surely, 2^2221223130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221223130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3303623232).

2221223130 is an abundant number, since it is smaller than the sum of its proper divisors (4386023334).

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

2221223130 is a wasteful number, since it uses less digits than its factorization.

2221223130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780 (or 3777 counting only the distinct ones).

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

The square root of 2221223130 is about 47129.8539144776. The cubic root of 2221223130 is about 1304.7602853835.

Adding to 2221223130 its reverse (313221222), we get a palindrome (2534444352).

The spelling of 2221223130 in words is "two billion, two hundred twenty-one million, two hundred twenty-three thousand, one hundred thirty".