2221122104 has 16 divisors (see below), whose sum is σ = 4179324120. Its totient is φ = 1106635680.

The previous prime is 2221122073. The next prime is 2221122109. The reversal of 2221122104 is 4012211222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221122109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488267 + ... + 492794.

Almost surely, 2^2221122104 is an apocalyptic number.

It is an amenable number.

2221122104 is a deficient number, since it is larger than the sum of its proper divisors (1958202016).

2221122104 is a wasteful number, since it uses less digits than its factorization.

2221122104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981350 (or 981346 counting only the distinct ones).

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

The square root of 2221122104 is about 47128.7821187860. The cubic root of 2221122104 is about 1304.7405039833.

Adding to 2221122104 its reverse (4012211222), we get a palindrome (6233333326).

The spelling of 2221122104 in words is "two billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred four".