2221241022 has 384 divisors, whose sum is σ = 6956928000. Its totient is φ = 509483520.

The previous prime is 2221241021. The next prime is 2221241023. The reversal of 2221241022 is 2201421222.

2221241022 is a `hidden beast` number, since 22 + 212 + 410 + 22 = 666.

2221241022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2221241021) and next prime (2221241023).

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

It is a junction number, because it is equal to n+sod(n) for n = 2221240986 and 2221241004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221241021) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 20378304 + ... + 20378412.

It is an arithmetic number, because the mean of its divisors is an integer number (18117000).

Almost surely, 2^2221241022 is an apocalyptic number.

2221241022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221241022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3478464000).

2221241022 is an abundant number, since it is smaller than the sum of its proper divisors (4735686978).

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

2221241022 is a wasteful number, since it uses less digits than its factorization.

2221241022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2221241022 is about 47130.0437300879. The cubic root of 2221241022 is about 1304.7637886648.

Adding to 2221241022 its reverse (2201421222), we get a palindrome (4422662244).

The spelling of 2221241022 in words is "two billion, two hundred twenty-one million, two hundred forty-one thousand, twenty-two".