22404453522 has 32 divisors (see below), whose sum is σ = 48968435520. Its totient is φ = 6777285120.

The previous prime is 22404453473. The next prime is 22404453523. The reversal of 22404453522 is 22535440422.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (22404453523) 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, 260743 + ... + 335850.

It is an arithmetic number, because the mean of its divisors is an integer number (1530263610).

Almost surely, 2^22404453522 is an apocalyptic number.

22404453522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22404453522 is an abundant number, since it is smaller than the sum of its proper divisors (26563981998).

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

22404453522 is a wasteful number, since it uses less digits than its factorization.

22404453522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597178.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 22404453522 its reverse (22535440422), we get a palindrome (44939893944).

The spelling of 22404453522 in words is "twenty-two billion, four hundred four million, four hundred fifty-three thousand, five hundred twenty-two".