22404431322 has 48 divisors (see below), whose sum is σ = 59745154560. Its totient is φ = 5908860576.

The previous prime is 22404431317. The next prime is 22404431323. The reversal of 22404431322 is 22313440422.

22404431322 is a `hidden beast` number, since 224 + 0 + 4 + 431 + 3 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (22404431323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6837322 + ... + 6840597.

It is an arithmetic number, because the mean of its divisors is an integer number (1244690720).

Almost surely, 2^22404431322 is an apocalyptic number.

22404431322 is an abundant number, since it is smaller than the sum of its proper divisors (37340723238).

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

22404431322 is a wasteful number, since it uses less digits than its factorization.

22404431322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13677947 (or 13677944 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22404431322 its reverse (22313440422), we get a palindrome (44717871744).

The spelling of 22404431322 in words is "twenty-two billion, four hundred four million, four hundred thirty-one thousand, three hundred twenty-two".