2221122404 has 12 divisors (see below), whose sum is σ = 3887310000. Its totient is φ = 1110462408.

The previous prime is 2221122391. The next prime is 2221122481. The reversal of 2221122404 is 4042211222.

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 3 ways as a sum of consecutive naturals, for example, 53147 + ... + 85245.

It is an arithmetic number, because the mean of its divisors is an integer number (323942500).

Almost surely, 2^2221122404 is an apocalyptic number.

It is an amenable number.

2221122404 is a deficient number, since it is larger than the sum of its proper divisors (1666187596).

2221122404 is a wasteful number, since it uses less digits than its factorization.

2221122404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49402 (or 49400 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2221122404 is about 47128.7853015543. The cubic root of 2221122404 is about 1304.7405627257.

Adding to 2221122404 its reverse (4042211222), we get a palindrome (6263333626).

The spelling of 2221122404 in words is "two billion, two hundred twenty-one million, one hundred twenty-two thousand, four hundred four".