22649112 has 128 divisors (see below), whose sum is σ = 67737600. Its totient is φ = 6994944.

The previous prime is 22649059. The next prime is 22649119. The reversal of 22649112 is 21194622.

22649112 is a `hidden beast` number, since 2 + 2 + 649 + 1 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22649119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233448 + ... + 233544.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^22649112 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 22649112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33868800).

22649112 is an abundant number, since it is smaller than the sum of its proper divisors (45088488).

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

22649112 is a wasteful number, since it uses less digits than its factorization.

22649112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 172 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 22649112 is about 4759.1083198431. The cubic root of 22649112 is about 282.9330794415.

The spelling of 22649112 in words is "twenty-two million, six hundred forty-nine thousand, one hundred twelve".