22626630 has 96 divisors (see below), whose sum is σ = 64393056. Its totient is φ = 5478912.

The previous prime is 22626623. The next prime is 22626631. The reversal of 22626630 is 3662622.

It is a happy number.

22626630 is a `hidden beast` number, since 2 + 2 + 6 + 26 + 630 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22626594 and 22626603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22626631) 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, 96994 + ... + 97226.

It is an arithmetic number, because the mean of its divisors is an integer number (670761).

Almost surely, 2^22626630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22626630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32196528).

22626630 is an abundant number, since it is smaller than the sum of its proper divisors (41766426).

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

22626630 is a wasteful number, since it uses less digits than its factorization.

22626630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 22626630 is about 4756.7457363202. The cubic root of 22626630 is about 282.8394332784.

The spelling of 22626630 in words is "twenty-two million, six hundred twenty-six thousand, six hundred thirty".