22554005 has 8 divisors (see below), whose sum is σ = 27391392. Its totient is φ = 17825488.

The previous prime is 22553983. The next prime is 22554011. The reversal of 22554005 is 50045522.

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 22554005 - 2⁶ = 22553941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 26759 + ... + 27588.

It is an arithmetic number, because the mean of its divisors is an integer number (3423924).

Almost surely, 2^22554005 is an apocalyptic number.

It is an amenable number.

22554005 is a deficient number, since it is larger than the sum of its proper divisors (4837387).

22554005 is an equidigital number, since it uses as much as digits as its factorization.

22554005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54435.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 22554005 is about 4749.1057052881. The cubic root of 22554005 is about 282.5364977514.

Adding to 22554005 its reverse (50045522), we get a palindrome (72599527).

The spelling of 22554005 in words is "twenty-two million, five hundred fifty-four thousand, five".