22055238 has 24 divisors (see below), whose sum is σ = 50302200. Its totient is φ = 6964704.

The previous prime is 22055233. The next prime is 22055249. The reversal of 22055238 is 83255022.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22055233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31903 + ... + 32586.

It is an arithmetic number, because the mean of its divisors is an integer number (2095925).

Almost surely, 2^22055238 is an apocalyptic number.

22055238 is an abundant number, since it is smaller than the sum of its proper divisors (28246962).

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

22055238 is a wasteful number, since it uses less digits than its factorization.

22055238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64516 (or 64513 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 22055238 is about 4696.3004588719. The cubic root of 22055238 is about 280.4382507750.

The spelling of 22055238 in words is "twenty-two million, fifty-five thousand, two hundred thirty-eight".