22265256222 has 72 divisors (see below), whose sum is σ = 54026422632. Its totient is φ = 6619710240.

The previous prime is 22265256193. The next prime is 22265256281.

22265256222 is a `hidden beast` number, since 2 + 2 + 2 + 6 + 5 + 25 + 622 + 2 = 666.

22265256222 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18993 + ... + 211875.

It is an arithmetic number, because the mean of its divisors is an integer number (750366981).

Almost surely, 2^22265256222 is an apocalyptic number.

22265256222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22265256222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27013211316).

22265256222 is an abundant number, since it is smaller than the sum of its proper divisors (31761166410).

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

22265256222 is a wasteful number, since it uses less digits than its factorization.

22265256222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192966 (or 192952 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 22265256222 in words is "twenty-two billion, two hundred sixty-five million, two hundred fifty-six thousand, two hundred twenty-two".