22508112 has 80 divisors (see below), whose sum is σ = 64852992. Its totient is φ = 6668160.

The previous prime is 22508107. The next prime is 22508117. The reversal of 22508112 is 21180522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22508107) and next prime (22508117).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22508117) 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, 24363 + ... + 25269.

Almost surely, 2^22508112 is an apocalyptic number.

22508112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22508112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32426496).

22508112 is an abundant number, since it is smaller than the sum of its proper divisors (42344880).

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

22508112 is a wasteful number, since it uses less digits than its factorization.

22508112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 22508112 is about 4744.2714930746. The cubic root of 22508112 is about 282.3447320734.

Adding to 22508112 its reverse (21180522), we get a palindrome (43688634).

The spelling of 22508112 in words is "twenty-two million, five hundred eight thousand, one hundred twelve".