20222235 has 24 divisors (see below), whose sum is σ = 38239344. Its totient is φ = 9804480.

The previous prime is 20222233. The next prime is 20222243. The reversal of 20222235 is 53222202.

It is not a de Polignac number, because 20222235 - 2¹ = 20222233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20222233) 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 23 ways as a sum of consecutive naturals, for example, 19932 + ... + 20921.

It is an arithmetic number, because the mean of its divisors is an integer number (1593306).

Almost surely, 2^20222235 is an apocalyptic number.

20222235 is a deficient number, since it is larger than the sum of its proper divisors (18017109).

20222235 is a wasteful number, since it uses less digits than its factorization.

20222235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40875 (or 40872 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 20222235 is about 4496.9139418050. The cubic root of 20222235 is about 272.4434582349.

Adding to 20222235 its reverse (53222202), we get a palindrome (73444437).

The spelling of 20222235 in words is "twenty million, two hundred twenty-two thousand, two hundred thirty-five".