22265460 has 144 divisors (see below), whose sum is σ = 79252992. Its totient is φ = 4953600.

The previous prime is 22265447. The next prime is 22265483. The reversal of 22265460 is 6456222.

22265460 is a `hidden beast` number, since 2 + 2 + 2 + 654 + 6 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51445 + ... + 51875.

It is an arithmetic number, because the mean of its divisors is an integer number (550368).

Almost surely, 2^22265460 is an apocalyptic number.

22265460 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 22265460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39626496).

22265460 is an abundant number, since it is smaller than the sum of its proper divisors (56987532).

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

22265460 is a wasteful number, since it uses less digits than its factorization.

22265460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 22265460 is about 4718.6290381847. The cubic root of 22265460 is about 281.3264444055.

The spelling of 22265460 in words is "twenty-two million, two hundred sixty-five thousand, four hundred sixty".