2211222104 has 32 divisors (see below), whose sum is σ = 5102821920. Its totient is φ = 874768896.

The previous prime is 2211222103. The next prime is 2211222137. The reversal of 2211222104 is 4012221122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211222103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1517969 + ... + 1519424.

It is an arithmetic number, because the mean of its divisors is an integer number (159463185).

Almost surely, 2^2211222104 is an apocalyptic number.

It is an amenable number.

2211222104 is an abundant number, since it is smaller than the sum of its proper divisors (2891599816).

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

2211222104 is a wasteful number, since it uses less digits than its factorization.

2211222104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037419 (or 3037415 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2211222104 is about 47023.6334623347. The cubic root of 2211222104 is about 1302.7991174243.

Adding to 2211222104 its reverse (4012221122), we get a palindrome (6223443226).

The spelling of 2211222104 in words is "two billion, two hundred eleven million, two hundred twenty-two thousand, one hundred four".