22102122 has 32 divisors (see below), whose sum is σ = 50977152. Its totient is φ = 6257664.

The previous prime is 22102121. The next prime is 22102139. The reversal of 22102122 is 22120122.

It is a junction number, because it is equal to n+sod(n) for n = 22102098 and 22102107.

It is not an unprimeable number, because it can be changed into a prime (22102121) 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, 2418 + ... + 7074.

It is an arithmetic number, because the mean of its divisors is an integer number (1593036).

Almost surely, 2^22102122 is an apocalyptic number.

22102122 is an abundant number, since it is smaller than the sum of its proper divisors (28875030).

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

22102122 is a wasteful number, since it uses less digits than its factorization.

22102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 22102122 is about 4701.2893976015. The cubic root of 22102122 is about 280.6368243356.

Adding to 22102122 its reverse (22120122), we get a palindrome (44222244).

The spelling of 22102122 in words is "twenty-two million, one hundred two thousand, one hundred twenty-two".