2221010010 has 32 divisors (see below), whose sum is σ = 5922694080. Its totient is φ = 592269264.

The previous prime is 2221010009. The next prime is 2221010047. The reversal of 2221010010 is 100101222.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2221009974 and 2221010001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4112712 + ... + 4113251.

It is an arithmetic number, because the mean of its divisors is an integer number (185084190).

Almost surely, 2^2221010010 is an apocalyptic number.

2221010010 is an abundant number, since it is smaller than the sum of its proper divisors (3701684070).

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

2221010010 is a wasteful number, since it uses less digits than its factorization.

2221010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8225979 (or 8225973 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2221010010 is about 47127.5928729656. The cubic root of 2221010010 is about 1304.7185547109.

Adding to 2221010010 its reverse (100101222), we get a palindrome (2321111232).

The spelling of 2221010010 in words is "two billion, two hundred twenty-one million, ten thousand, ten".