22273056 has 120 divisors (see below), whose sum is σ = 70649964. Its totient is φ = 6842880.

The previous prime is 22273019. The next prime is 22273057. The reversal of 22273056 is 65037222.

It can be written as a sum of positive squares in 2 ways, for example, as 22240656 + 32400 = 4716^2 + 180^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22273057) 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 19 ways as a sum of consecutive naturals, for example, 33366 + ... + 34026.

Almost surely, 2^22273056 is an apocalyptic number.

22273056 is a gapful number since it is divisible by the number (26) 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 22273056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35324982).

22273056 is an abundant number, since it is smaller than the sum of its proper divisors (48376908).

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

22273056 is a wasteful number, since it uses less digits than its factorization.

22273056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 22273056 is about 4719.4338643528. The cubic root of 22273056 is about 281.3584328562.

The spelling of 22273056 in words is "twenty-two million, two hundred seventy-three thousand, fifty-six".