2222122230 has 96 divisors (see below), whose sum is σ = 6053621184. Its totient is φ = 564461568.

The previous prime is 2222122171. The next prime is 2222122237. The reversal of 2222122230 is 322212222.

2222122230 is a `hidden beast` number, since 222 + 212 + 2 + 230 = 666.

2222122230 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222122237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 529902 + ... + 534078.

It is an arithmetic number, because the mean of its divisors is an integer number (63058554).

Almost surely, 2^2222122230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222122230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3026810592).

2222122230 is an abundant number, since it is smaller than the sum of its proper divisors (3831498954).

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

2222122230 is a wasteful number, since it uses less digits than its factorization.

2222122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470 (or 4467 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2222122230 is about 47139.3914894963. The cubic root of 2222122230 is about 1304.9363072803.

Adding to 2222122230 its reverse (322212222), we get a palindrome (2544334452).

The spelling of 2222122230 in words is "two billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred thirty".