22455563 has 8 divisors (see below), whose sum is σ = 24963456. Its totient is φ = 20059200.

The previous prime is 22455557. The next prime is 22455581. The reversal of 22455563 is 36555422.

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 22455563 - 2⁴ = 22455547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22455523) 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, 27458 + ... + 28263.

It is an arithmetic number, because the mean of its divisors is an integer number (3120432).

Almost surely, 2^22455563 is an apocalyptic number.

22455563 is a deficient number, since it is larger than the sum of its proper divisors (2507893).

22455563 is a wasteful number, since it uses less digits than its factorization.

22455563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55765.

The product of its digits is 36000, while the sum is 32.

The square root of 22455563 is about 4738.7301041524. The cubic root of 22455563 is about 282.1248336538.

The spelling of 22455563 in words is "twenty-two million, four hundred fifty-five thousand, five hundred sixty-three".