22025559 has 8 divisors (see below), whose sum is σ = 30644352. Its totient is φ = 14045240.

The previous prime is 22025543. The next prime is 22025561. The reversal of 22025559 is 95552022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22025559 - 2⁴ = 22025543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025539) 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 in 7 ways as a sum of consecutive naturals, for example, 159537 + ... + 159674.

It is an arithmetic number, because the mean of its divisors is an integer number (3830544).

Almost surely, 2^22025559 is an apocalyptic number.

22025559 is a deficient number, since it is larger than the sum of its proper divisors (8618793).

22025559 is a wasteful number, since it uses less digits than its factorization.

22025559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319237.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 22025559 is about 4693.1395674964. The cubic root of 22025559 is about 280.3124021667.

The spelling of 22025559 in words is "twenty-two million, twenty-five thousand, five hundred fifty-nine".