22441356 has 144 divisors (see below), whose sum is σ = 70470400. Its totient is φ = 5878656.

The previous prime is 22441339. The next prime is 22441357. The reversal of 22441356 is 65314422.

It is a super-2 number, since 2×22441356² = 1007228918237472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22441357) 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 47 ways as a sum of consecutive naturals, for example, 205830 + ... + 205938.

Almost surely, 2^22441356 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 22441356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35235200).

22441356 is an abundant number, since it is smaller than the sum of its proper divisors (48029044).

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

22441356 is a wasteful number, since it uses less digits than its factorization.

22441356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 183 counting only the distinct ones).

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

The square root of 22441356 is about 4737.2308366809. The cubic root of 22441356 is about 282.0653236327.

Adding to 22441356 its reverse (65314422), we get a palindrome (87755778).

It can be divided in two parts, 2244 and 1356, that added together give a square (3600 = 60²).

The spelling of 22441356 in words is "twenty-two million, four hundred forty-one thousand, three hundred fifty-six".