22055022 has 96 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 6135360.

The previous prime is 22055021. The next prime is 22055023.

22055022 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (22055021) and next prime (22055023).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22054986 and 22055004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22055021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131983 + ... + 132149.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^22055022 is an apocalyptic number.

22055022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22055022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28304640).

22055022 is an abundant number, since it is smaller than the sum of its proper divisors (34554258).

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

22055022 is a wasteful number, since it uses less digits than its factorization.

22055022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 22055022 is about 4696.2774619905. The cubic root of 22055022 is about 280.4373352728.

It can be divided in two parts, 2205 and 5022, that added together give a palindrome (7227).

The spelling of 22055022 in words is "twenty-two million, fifty-five thousand, twenty-two".