22444064 has 12 divisors (see below), whose sum is σ = 44186814. Its totient is φ = 11222016.

The previous prime is 22444049. The next prime is 22444091. The reversal of 22444064 is 46044422.

It can be written as a sum of positive squares in only one way, i.e., 13987600 + 8456464 = 3740^2 + 2908^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350657 + ... + 350720.

Almost surely, 2^22444064 is an apocalyptic number.

It is an amenable number.

22444064 is a deficient number, since it is larger than the sum of its proper divisors (21742750).

22444064 is an equidigital number, since it uses as much as digits as its factorization.

22444064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701387 (or 701379 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 22444064 is about 4737.5166490473. The cubic root of 22444064 is about 282.0766687904.

Adding to 22444064 its reverse (46044422), we get a palindrome (68488486).

The spelling of 22444064 in words is "twenty-two million, four hundred forty-four thousand, sixty-four".