22102256 has 40 divisors (see below), whose sum is σ = 48235008. Its totient is φ = 9720000.

The previous prime is 22102253. The next prime is 22102259. The reversal of 22102256 is 65220122.

It is an interprime number because it is at equal distance from previous prime (22102253) and next prime (22102259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3431 + ... + 7481.

Almost surely, 2^22102256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22102256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24117504).

22102256 is an abundant number, since it is smaller than the sum of its proper divisors (26132752).

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

22102256 is a wasteful number, since it uses less digits than its factorization.

22102256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101 (or 4095 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22102256 is about 4701.3036489893. The cubic root of 22102256 is about 280.6373914797.

Adding to 22102256 its reverse (65220122), we get a palindrome (87322378).

The spelling of 22102256 in words is "twenty-two million, one hundred two thousand, two hundred fifty-six".