22626648 has 128 divisors (see below), whose sum is σ = 69984000. Its totient is φ = 6716160.

The previous prime is 22626631. The next prime is 22626661. The reversal of 22626648 is 84662622.

22626648 is a `hidden beast` number, since 2 + 2 + 6 + 2 + 6 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211411 + ... + 211517.

It is an arithmetic number, because the mean of its divisors is an integer number (546750).

Almost surely, 2^22626648 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 22626648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34992000).

22626648 is an abundant number, since it is smaller than the sum of its proper divisors (47357352).

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

22626648 is a wasteful number, since it uses less digits than its factorization.

22626648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 212 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 22626648 is about 4756.7476283696. The cubic root of 22626648 is about 282.8395082801.

The spelling of 22626648 in words is "twenty-two million, six hundred twenty-six thousand, six hundred forty-eight".