22727044 has 6 divisors (see below), whose sum is σ = 39772334. Its totient is φ = 11363520.

The previous prime is 22727041. The next prime is 22727063. The reversal of 22727044 is 44072722.

It can be written as a sum of positive squares in only one way, i.e., 21068100 + 1658944 = 4590^2 + 1288^2 .

It is not an unprimeable number, because it can be changed into a prime (22727041) 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 as a sum of consecutive naturals, namely, 2840877 + ... + 2840884.

Almost surely, 2^22727044 is an apocalyptic number.

It is an amenable number.

22727044 is a deficient number, since it is larger than the sum of its proper divisors (17045290).

22727044 is a wasteful number, since it uses less digits than its factorization.

22727044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681765 (or 5681763 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 22727044 is about 4767.2889570489. The cubic root of 22727044 is about 283.2572172314.

Adding to 22727044 its reverse (44072722), we get a palindrome (66799766).

It can be divided in two parts, 2272 and 7044, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 22727044 in words is "twenty-two million, seven hundred twenty-seven thousand, forty-four".