22135459 has 2 divisors, whose sum is σ = 22135460. Its totient is φ = 22135458.

The previous prime is 22135447. The next prime is 22135481. The reversal of 22135459 is 95453122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22135459 - 2⁵ = 22135427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22135459.

It is not a weakly prime, because it can be changed into another prime (22135409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11067729 + 11067730.

It is an arithmetic number, because the mean of its divisors is an integer number (11067730).

Almost surely, 2^22135459 is an apocalyptic number.

22135459 is a deficient number, since it is larger than the sum of its proper divisors (1).

22135459 is an equidigital number, since it uses as much as digits as its factorization.

22135459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 22135459 is about 4704.8335783532. The cubic root of 22135459 is about 280.7778498598. Note that the first 3 decimals are identical.

The spelling of 22135459 in words is "twenty-two million, one hundred thirty-five thousand, four hundred fifty-nine".