20222382 has 16 divisors (see below), whose sum is σ = 42203520. Its totient is φ = 6447672.

The previous prime is 20222357. The next prime is 20222383. The reversal of 20222382 is 28322202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222383) 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, 73132 + ... + 73407.

It is an arithmetic number, because the mean of its divisors is an integer number (2637720).

Almost surely, 2^20222382 is an apocalyptic number.

20222382 is an abundant number, since it is smaller than the sum of its proper divisors (21981138).

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

20222382 is a wasteful number, since it uses less digits than its factorization.

20222382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146567.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20222382 is about 4496.9302863175. The cubic root of 20222382 is about 272.4441183843. Note that the first 3 decimals are identical.

Adding to 20222382 its reverse (28322202), we get a palindrome (48544584).

The spelling of 20222382 in words is "twenty million, two hundred twenty-two thousand, three hundred eighty-two".