22554404329 has 2 divisors, whose sum is σ = 22554404330. Its totient is φ = 22554404328.

The previous prime is 22554404311. The next prime is 22554404351. The reversal of 22554404329 is 92340445522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21714969600 + 839434729 = 147360^2 + 28973^2 .

It is a cyclic number.

It is not a de Polignac number, because 22554404329 - 2¹⁵ = 22554371561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22554404291 and 22554404300.

It is not a weakly prime, because it can be changed into another prime (22554404129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11277202164 + 11277202165.

It is an arithmetic number, because the mean of its divisors is an integer number (11277202165).

Almost surely, 2^22554404329 is an apocalyptic number.

It is an amenable number.

22554404329 is a deficient number, since it is larger than the sum of its proper divisors (1).

22554404329 is an equidigital number, since it uses as much as digits as its factorization.

22554404329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 22554404329 in words is "twenty-two billion, five hundred fifty-four million, four hundred four thousand, three hundred twenty-nine".