26622630 has 48 divisors (see below), whose sum is σ = 69548544. Its totient is φ = 7065600.

The previous prime is 26622623. The next prime is 26622637. The reversal of 26622630 is 3622662.

It is a happy number.

26622630 is a `hidden beast` number, since 2 + 6 + 6 + 22 + 630 = 666.

It is an interprime number because it is at equal distance from previous prime (26622623) and next prime (26622637).

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 26622594 and 26622603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26622637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22555 + ... + 23705.

It is an arithmetic number, because the mean of its divisors is an integer number (1448928).

Almost surely, 2^26622630 is an apocalyptic number.

26622630 is an abundant number, since it is smaller than the sum of its proper divisors (42925914).

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

26622630 is a wasteful number, since it uses less digits than its factorization.

26622630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1418 counting only the distinct ones).

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

The square root of 26622630 is about 5159.7122012763. The cubic root of 26622630 is about 298.5957707225.

It can be divided in two parts, 266226 and 30, that added together give a square (266256 = 516²).

The spelling of 26622630 in words is "twenty-six million, six hundred twenty-two thousand, six hundred thirty".