26222688 has 72 divisors (see below), whose sum is σ = 75538008. Its totient is φ = 8627712.

The previous prime is 26222671. The next prime is 26222701. The reversal of 26222688 is 88622262.

26222688 is a `hidden beast` number, since 2 + 622 + 26 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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 11 ways as a sum of consecutive naturals, for example, 23356 + ... + 24452.

It is an arithmetic number, because the mean of its divisors is an integer number (1049139).

Almost surely, 2^26222688 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 26222688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37769004).

26222688 is an abundant number, since it is smaller than the sum of its proper divisors (49315320).

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

26222688 is a wasteful number, since it uses less digits than its factorization.

26222688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1185 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 26222688 is about 5120.8093110367. The cubic root of 26222688 is about 297.0929886022.

The spelling of 26222688 in words is "twenty-six million, two hundred twenty-two thousand, six hundred eighty-eight".