22355245 has 16 divisors (see below), whose sum is σ = 29393280. Its totient is φ = 16187200.

The previous prime is 22355243. The next prime is 22355251. The reversal of 22355245 is 54255322.

It is not a de Polignac number, because 22355245 - 2¹ = 22355243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22355243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14040 + ... + 15550.

It is an arithmetic number, because the mean of its divisors is an integer number (1837080).

Almost surely, 2^22355245 is an apocalyptic number.

It is an amenable number.

22355245 is a deficient number, since it is larger than the sum of its proper divisors (7038035).

22355245 is a wasteful number, since it uses less digits than its factorization.

22355245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796.

The product of its digits is 12000, while the sum is 28.

The square root of 22355245 is about 4728.1333526033. The cubic root of 22355245 is about 281.7040849106.

The spelling of 22355245 in words is "twenty-two million, three hundred fifty-five thousand, two hundred forty-five".