20222022 has 32 divisors (see below), whose sum is σ = 41419872. Its totient is φ = 6580224.

The previous prime is 20222021. The next prime is 20222047. The reversal of 20222022 is 22022202.

It is a junction number, because it is equal to n+sod(n) for n = 20221989 and 20222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59838 + ... + 60174.

It is an arithmetic number, because the mean of its divisors is an integer number (1294371).

Almost surely, 2^20222022 is an apocalyptic number.

20222022 is an abundant number, since it is smaller than the sum of its proper divisors (21197850).

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

20222022 is a wasteful number, since it uses less digits than its factorization.

20222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 20222022 is about 4496.8902588344. The cubic root of 20222022 is about 272.4425016861.

Adding to 20222022 its reverse (22022202), we get a palindrome (42244224).

It can be divided in two parts, 2022202 and 2, that multiplied together give a palindrome (4044404).

The spelling of 20222022 in words is "twenty million, two hundred twenty-two thousand, twenty-two".