22061056 has 28 divisors (see below), whose sum is σ = 44135802. Its totient is φ = 11026432.

The previous prime is 22061047. The next prime is 22061063. The reversal of 22061056 is 65016022.

It can be written as a sum of positive squares in only one way, i.e., 19501056 + 2560000 = 4416^2 + 1600^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6846 + ... + 9538.

Almost surely, 2^22061056 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 22061056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22067901).

22061056 is an abundant number, since it is smaller than the sum of its proper divisors (22074746).

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

22061056 is an frugal number, since it uses more digits than its factorization.

22061056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 22061056 is about 4696.9198417686. The cubic root of 22061056 is about 280.4629077491.

Adding to 22061056 its reverse (65016022), we get a palindrome (87077078).

The spelling of 22061056 in words is "twenty-two million, sixty-one thousand, fifty-six".