2221020010 has 48 divisors (see below), whose sum is σ = 4602979872. Its totient is φ = 765122400.

The previous prime is 2221019987. The next prime is 2221020019. The reversal of 2221020010 is 100201222.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2221020019) 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, 11745 + ... + 67675.

It is an arithmetic number, because the mean of its divisors is an integer number (95895414).

Almost surely, 2^2221020010 is an apocalyptic number.

2221020010 is an abundant number, since it is smaller than the sum of its proper divisors (2381959862).

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

2221020010 is a wasteful number, since it uses less digits than its factorization.

2221020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55987 (or 55968 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2221020010 is about 47127.6989678045. The cubic root of 2221020010 is about 1304.7205128539.

Adding to 2221020010 its reverse (100201222), we get a palindrome (2321221232).

The spelling of 2221020010 in words is "two billion, two hundred twenty-one million, twenty thousand, ten".