22277056 has 28 divisors (see below), whose sum is σ = 44714160. Its totient is φ = 11010560.

The previous prime is 22277051. The next prime is 22277069. The reversal of 22277056 is 65077222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22277051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3741 + ... + 7651.

Almost surely, 2^22277056 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 22277056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22357080).

22277056 is an abundant number, since it is smaller than the sum of its proper divisors (22437104).

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

22277056 is an equidigital number, since it uses as much as digits as its factorization.

22277056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012 (or 4002 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 22277056 is about 4719.8576249713. The cubic root of 22277056 is about 281.3752748253.

The spelling of 22277056 in words is "twenty-two million, two hundred seventy-seven thousand, fifty-six".