22121404322 has 32 divisors (see below), whose sum is σ = 35300812800. Its totient is φ = 10367336448.

The previous prime is 22121404321. The next prime is 22121404367. The reversal of 22121404322 is 22340412122.

It is not an unprimeable number, because it can be changed into a prime (22121404321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1793954 + ... + 1806242.

It is an arithmetic number, because the mean of its divisors is an integer number (1103150400).

Almost surely, 2^22121404322 is an apocalyptic number.

22121404322 is a deficient number, since it is larger than the sum of its proper divisors (13179408478).

22121404322 is a wasteful number, since it uses less digits than its factorization.

22121404322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12810.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22121404322 its reverse (22340412122), we get a palindrome (44461816444).

The spelling of 22121404322 in words is "twenty-two billion, one hundred twenty-one million, four hundred four thousand, three hundred twenty-two".