22245455 has 8 divisors (see below), whose sum is σ = 26725632. Its totient is φ = 17775648.

The previous prime is 22245449. The next prime is 22245463. The reversal of 22245455 is 55454222.

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 22245455 - 2⁸ = 22245199 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3389 + ... + 7481.

It is an arithmetic number, because the mean of its divisors is an integer number (3340704).

Almost surely, 2^22245455 is an apocalyptic number.

22245455 is a deficient number, since it is larger than the sum of its proper divisors (4480177).

22245455 is a wasteful number, since it uses less digits than its factorization.

22245455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185.

The product of its digits is 16000, while the sum is 29.

The square root of 22245455 is about 4716.5087723866. The cubic root of 22245455 is about 281.2421640615.

Adding to 22245455 its reverse (55454222), we get a palindrome (77699677).

The spelling of 22245455 in words is "twenty-two million, two hundred forty-five thousand, four hundred fifty-five".