20222422 has 32 divisors (see below), whose sum is σ = 35251200. Its totient is φ = 8604000.

The previous prime is 20222413. The next prime is 20222437. The reversal of 20222422 is 22422202.

It is a junction number, because it is equal to n+sod(n) for n = 20222396 and 20222405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41979 + ... + 42457.

It is an arithmetic number, because the mean of its divisors is an integer number (1101600).

Almost surely, 2^20222422 is an apocalyptic number.

20222422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20222422 is a deficient number, since it is larger than the sum of its proper divisors (15028778).

20222422 is a wasteful number, since it uses less digits than its factorization.

20222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 20222422 is about 4496.9347337937. The cubic root of 20222422 is about 272.4442980162. Note that the first 3 decimals are identical.

Adding to 20222422 its reverse (22422202), we get a palindrome (42644624).

It can be divided in two parts, 2022 and 2422, that added together give a palindrome (4444).

The spelling of 20222422 in words is "twenty million, two hundred twenty-two thousand, four hundred twenty-two".