2221340210 has 8 divisors (see below), whose sum is σ = 3998412396. Its totient is φ = 888536080.

The previous prime is 2221340201. The next prime is 2221340237. The reversal of 2221340210 is 120431222.

It can be written as a sum of positive squares in 2 ways, for example, as 1967543449 + 253796761 = 44357^2 + 15931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2221340210³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111067001 + ... + 111067020.

Almost surely, 2^2221340210 is an apocalyptic number.

2221340210 is a deficient number, since it is larger than the sum of its proper divisors (1777072186).

2221340210 is a wasteful number, since it uses less digits than its factorization.

2221340210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222134028.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2221340210 is about 47131.0959982897. The cubic root of 2221340210 is about 1304.7832094875.

Adding to 2221340210 its reverse (120431222), we get a palindrome (2341771432).

The spelling of 2221340210 in words is "two billion, two hundred twenty-one million, three hundred forty thousand, two hundred ten".