22555338 has 16 divisors (see below), whose sum is σ = 48580896. Its totient is φ = 6940080.

The previous prime is 22555319. The next prime is 22555339. The reversal of 22555338 is 83355522.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22555299 and 22555308.

It is not an unprimeable number, because it can be changed into a prime (22555339) 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, 144508 + ... + 144663.

It is an arithmetic number, because the mean of its divisors is an integer number (3036306).

Almost surely, 2^22555338 is an apocalyptic number.

22555338 is an abundant number, since it is smaller than the sum of its proper divisors (26025558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22555338 is a wasteful number, since it uses less digits than its factorization.

22555338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289189.

The product of its digits is 36000, while the sum is 33.

The square root of 22555338 is about 4749.2460454266. The cubic root of 22555338 is about 282.5420638542.

The spelling of 22555338 in words is "twenty-two million, five hundred fifty-five thousand, three hundred thirty-eight".