2221222010 has 32 divisors (see below), whose sum is σ = 4768042752. Its totient is φ = 728449920.

The previous prime is 2221222001. The next prime is 2221222043. The reversal of 2221222010 is 102221222.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688211 + ... + 691430.

It is an arithmetic number, because the mean of its divisors is an integer number (149001336).

Almost surely, 2^2221222010 is an apocalyptic number.

2221222010 is an abundant number, since it is smaller than the sum of its proper divisors (2546820742).

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

2221222010 is a wasteful number, since it uses less digits than its factorization.

2221222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379678.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2221222010 is about 47129.8420324108. The cubic root of 2221222010 is about 1304.7600660851.

Adding to 2221222010 its reverse (102221222), we get a palindrome (2323443232).

The spelling of 2221222010 in words is "two billion, two hundred twenty-one million, two hundred twenty-two thousand, ten".