22125559 has 8 divisors (see below), whose sum is σ = 22579200. Its totient is φ = 21676536.

The previous prime is 22125541. The next prime is 22125589. The reversal of 22125559 is 95552122.

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 22125559 - 2⁷ = 22125431 is a prime.

It is a super-2 number, since 2×22125559² = 979080722124962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22125559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22125589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9492 + ... + 11590.

It is an arithmetic number, because the mean of its divisors is an integer number (2822400).

Almost surely, 2^22125559 is an apocalyptic number.

22125559 is a deficient number, since it is larger than the sum of its proper divisors (453641).

22125559 is a wasteful number, since it uses less digits than its factorization.

22125559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309.

The product of its digits is 9000, while the sum is 31.

The square root of 22125559 is about 4703.7813512110. The cubic root of 22125559 is about 280.7359846754.

The spelling of 22125559 in words is "twenty-two million, one hundred twenty-five thousand, five hundred fifty-nine".