26222000 has 80 divisors (see below), whose sum is σ = 72501312. Its totient is φ = 8985600.

The previous prime is 26221999. The next prime is 26222039. The reversal of 26222000 is 22262.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13064 + ... + 14936.

Almost surely, 2^26222000 is an apocalyptic number.

26222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36250656).

26222000 is an abundant number, since it is smaller than the sum of its proper divisors (46279312).

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

26222000 is a wasteful number, since it uses less digits than its factorization.

26222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 26222000 is about 5120.7421337146. The cubic root of 26222000 is about 297.0903903208.

Adding to 26222000 its reverse (22262), we get a palindrome (26244262).

The spelling of 26222000 in words is "twenty-six million, two hundred twenty-two thousand".