22774960 has 80 divisors (see below), whose sum is σ = 58121280. Its totient is φ = 8248320.

The previous prime is 22774937. The next prime is 22774963. The reversal of 22774960 is 6947722.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (22774963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63261 + ... + 63619.

It is an arithmetic number, because the mean of its divisors is an integer number (726516).

Almost surely, 2^22774960 is an apocalyptic number.

22774960 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 22774960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29060640).

22774960 is an abundant number, since it is smaller than the sum of its proper divisors (35346320).

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

22774960 is a wasteful number, since it uses less digits than its factorization.

22774960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 22774960 is about 4772.3118087568. The cubic root of 22774960 is about 283.4561436078.

The spelling of 22774960 in words is "twenty-two million, seven hundred seventy-four thousand, nine hundred sixty".