22155321359 has 2 divisors, whose sum is σ = 22155321360. Its totient is φ = 22155321358.

The previous prime is 22155321299. The next prime is 22155321373. The reversal of 22155321359 is 95312355122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22155321359 - 2¹⁶ = 22155255823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22155321379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11077660679 + 11077660680.

It is an arithmetic number, because the mean of its divisors is an integer number (11077660680).

Almost surely, 2^22155321359 is an apocalyptic number.

22155321359 is a deficient number, since it is larger than the sum of its proper divisors (1).

22155321359 is an equidigital number, since it uses as much as digits as its factorization.

22155321359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81000, while the sum is 38.

The spelling of 22155321359 in words is "twenty-two billion, one hundred fifty-five million, three hundred twenty-one thousand, three hundred fifty-nine".