20222982 has 24 divisors (see below), whose sum is σ = 47187504. Its totient is φ = 6222384.

The previous prime is 20222953. The next prime is 20222987. The reversal of 20222982 is 28922202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222987) 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, 42978 + ... + 43445.

It is an arithmetic number, because the mean of its divisors is an integer number (1966146).

Almost surely, 2^20222982 is an apocalyptic number.

20222982 is an abundant number, since it is smaller than the sum of its proper divisors (26964522).

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

20222982 is a wasteful number, since it uses less digits than its factorization.

20222982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86444 (or 86441 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 20222982 is about 4496.9969979977. The cubic root of 20222982 is about 272.4468128386.

Adding to 20222982 its sum of digits (27), we get a square (20223009 = 4497²).

The spelling of 20222982 in words is "twenty million, two hundred twenty-two thousand, nine hundred eighty-two".